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标题: [report整理] SENEWS-2011-04-25 [打印本页]

作者: qingchengshan    时间: 2011-4-25 09:02     标题: SENEWS-2011-04-25

本帖最后由 qingchengshan 于 2011-4-27 17:27 编辑

SENEWS-20110425 Report


Technology   Report


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作者: juan_9040303    时间: 2011-4-25 10:07     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Soler water heaters are used around the world and are not very difficult to build. The system will go in to describe it is based on the design developed some years ago in the Afganistan. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty degrees celsius. It can do this between sunrise and noon on the clear day with an average air temperature of thirty-two degrees celsius.
There are two parts of soler water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other colors. This black metal played is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. C* metal will work very well. C* sheets are often used as roups* on the housing. Once the water is heated, it is capped hot within sernation* material. This allows the water to stay warm for a long time.
The second part of the soler water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are retach* to the water storage tank. One pipe lets water flow into the system. The other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that temperature is hot or warm as designed.
This soler water heater is easy to build and operate. It was less about two years before the rubber pipes need to be replaced. Their resources something else you will need to make the soler water heater work the sun as you might imaging the heater will heat water only on sunny days. You can get more information about soler water heaters and other projects from enterprise works viter. This group works internationally to find property. The website is enterpriseworks.org. Choice the link for a news and resources then click on publications.
And that's the VOA Special English Technology Report. Tell us if you ever build the soler water heater or have ideas for improvements. Post your comments at voaspecialenglish.com. You can also find transcripts, mp3s and podcasts of our programs. We also offer english teaching activities in the classroom section above our site. I'm Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 耿艺菲    时间: 2011-4-25 10:07     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on the design developed some years ago in Afghanistan.Since then it has been built and used in many countries.
It can heat seventy liters of water to sixty degrees sources.It can do this between sunrise and noon on the clear day with an average air temperature of thirty two degrees sources.
There are two parts of the solar water heater.One part is made of the sheet of metal painted  black.Black surfaces become hotter in the sun than surfaces painted any other color.This black metal plate is called  a collector.The collector  is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector.Corrugated metal will work very well.C* sheets are often used as roofs on housing.Once the water is heated,it is keeped hot with insolation material.This allows the water to stay warm for a long time.
The second parts of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two wrapper pipes are attach to the water storage tank.
One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.
You can use the hot water at the top of  the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate.It will last about two years before the wrapper pipes need to be replaced.
There was also something else will to need to make the solar water heater work --the sun.As you might imagine the heater will heat water only on sunny days.
You can get more information about solar water heaters and other project from inter* workers  vita.This group works internationally to fight poverty.The website is interpriseworkers.org. Choose the link for news in resources then click on pubulications.
And that's the VOA Special English Technology Report.Tell us if you have ever build the solar water heater or have ideas for improvements.Post your comments at voaspecialenglish.com.Where you can also found transcripts mp3s and podcasts about our programs .We also offer english teaching activities in the classroom section of our website.I'm Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: jewellery    时间: 2011-4-25 10:09     标题: [Homework]SENEWS-2011-04-25

本帖最后由 jewellery 于 2011-4-25 20:07 编辑

This is the VOA Special English technology report.

Solar water heaters are used around the world,and are not very difficult to build.The system we are going to describe is based on the design developed some years ago in Afghanistan.Since then,it has been built and used in many countries.It can heat 70 liters of water to 60 degrees celsius.It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius.

There are two parts of the solar water heater,one part is made of a sheet of metal painted black.Black surfaces become hotter in the sun than surfaces painted any other color.This black metal plate is called a collector.The collector is placed in contact within the water.There are several kinds of metal sheets that can be used for the collector.Congregated metal will work very well,congregated sheets are often used as roofs on houses.Once the water is heated,it is kept hot with insolation material.This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as designed.

This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work,the sun,as you might imagine,the heater will heat water only on sunny days.

You can get more information about solar water heaters and other projects from enterprise works vital.This group works internationally to find property.The website is enterpriseworks.org,choose the link for news and resources,then click on publications.And that's the VOA Special English technology report.Tell us if you've ever built a solar water heater,or have ideas for improvements,post your comments at VOASpecialEnglish.com where you can also find transcripts,MP3s and podcasts of our programs.We also offer English teaching activities in the classroom section of our site.I'm Steve Ember.


This post was generated by put listening repetition system,  Check the original dictation thread!
作者: zc021222    时间: 2011-4-25 10:12     标题: [Homework]SENEWS-2011-04-25

HOMEWORK
This is the VOA Special English Technology Report.

Solar water heaters are used around the world and are not very difficult to build.

The system we are going to describe is based on the design developed some years ago in Afganistan. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty degrees celeses.

It can do this between sunrise and noon on the clear day with an average air temperature of thirty-two degrees celeses.

There are two parts of the solar water heating. One part is made of sheet of material painted black. Black surfaces become hotter in the sun then surfaces painted any other color. This black material plate is called a collector.The collector is placed in contact with the water.

There are several times of material sheet that can be used for the collector. Collargated material will work very well. Collargated sheet are often used as loops on the housing.

Once the water is heated, it is kept hot with insolation material. This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for system. This storage tank can be a container that holds about one handred liters. Two raper pipes are retain to water storiage tank. One pipe lets water flow into the system, the other lets water flow out.

When the water heater is working correctly, water will flow from the storiage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as design. This solar water heater is easy to build and operate. It will less about two years before the bruber pipes need to be replaced.

The resources something else you will need to make the solar water heater work -- the sun. As you might imagine, the heater will heat the water only on sunny days.

You can get more information about solar water heaters and other project from enterprise work's wite. This group works internationally to fight proverty. The website is enterprise work's.al. Choose the link for news and resources then click on publications.

And that's the VOA Special English Technology Report. Tell us if you ever built the solar water heater or have ideas for improvements. Post your comments at voaspcialenglish.com or you can also find transcripts, mp3 and broadcasts about our programmes. we also offer english teaching activities in the classroom section of our site. I am Steve Amber.


This post was generated by put listening repetition system,  Check the original dictation thread!
作者: shpengwang    时间: 2011-4-25 10:15     标题: [Homework]SENEWS-2011-04-25

HomeworkThis is the VOA Special English Technology Report.Solar water heaters are used around the world and are not very difficult to build.The system we are going to describe is based on a design developed some years ago in Afghanistan.Since then it has been built and used in many countries.
It can heat 70 liters of water to 60 degrees Celsius.It can do this between sunrise and noon on the clear day with an average air temperature of 32 degrees Celsius.
There are two parts to the solar water heater.
One part is made of a sheet of metal,painted black.Black surfaces become hotter in the sun than surfaces painted any other color.This black metal plate is called collector.The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well,corrugated sheets are often used as roofs on housing.Once the water is heated ,it's kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two rubber pipes are attached to the water storage tank, one pipe lets water flow into the system, the other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning, you can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work, the sun.As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from EnterpriseWorks/VITA.This group works internationally to fight poverty. The website is enterpriseworks.org.Choose the link for News and Resources then click on Publications.
And that's the VOA Special English Technology Report.
            


This post was generated by put listening repetition system,  Check the original dictation thread!
作者: joyce-bear    时间: 2011-4-25 10:19

[Homework]SENEWS-2011-04-25
This is the VOA Special English technology report.

Solar water heaters are used around the world,and are not very difficult to build.The system we are going to describe is based on the design developed some years ago in Afghanistan.Since then,it has been built and used in many countries.It can heat 70 liters of water to 60 degrees celsius.It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius.

There are two parts of the solar water heater,one part is made of a sheet of metal painted black.Black surfaces become hotter in the sun than surfaces painted any other color.This black metal plate is called a collector.The collector is placed in contact within the water.There are several kinds of metal sheets that can be used for the collector.Congregated metal will work very well,congregated sheets are often used as roofs on houses.Once the water is heated,it is kept hot with insolation material.This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as designed.

This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work,the sun,as you might imagine,the heater will heat water only on sunny days.

You can get more information about solar water heaters and other projects from enterprise works vital.This group works internationally to find property.The website is enterpriseworks.org,choose the link for news and resources,then click on publications.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: Perfumeluo    时间: 2011-4-25 10:20     标题: [Homework]SENEWS-2011-04-25

this is the voa special english technology report. solar water heaters are used around the world and are not very difficult to build. the system we are going to describe is based on a design developed a few years ago in afghanistan. since then, it has been built and used in many countries. it can heat 70 meters of water to 60 degrees celsius. it can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius. there are two parts to the solar water heater. one part is made of a sheet of metal painted black. black services become the potter in the sun and services painted in any other color. this black metal part is called a collector. the collector is placed in contact with the water. there are several kinds of metal can be used for the collector. corrugated metal will work very well. corrugated sheets are often used as roofs on the housing. once the water is heated, it's kept apart with insulation material. this allows the water to stay warm all the time. the second part of solar water heater holds the water for the system. this storage tank can be a container that holds about 100 meters. two rubber pipes are attached to the water storage tank. one pipe lets water flow into the system; the other lets water flow out. when the water heater is working correctly, water will flow from the storage tank to the collector and back again. you can use the hot water at the top of the tank for washing and cleaning. you can change the flow of water so that the temperature is hot or warm as desired. this solar water heater is easy to build and operate. it will last about two years before the rubber pipes need to be replaced. there is also something else you will need to make the solar water heater work--the sun. as you might imagine, the heater will heat water only on sunny days. you can get more information about solar water heaters and other projects from enterprises works provider. this group works internationally to fight poverty. the website is enterprisesworks.com. choose the link for news and resources, then click on publications. and that's the voa special english technology report. tell us if you ever build the solar water heater, or have ideas for improvements. post your comments at voaspecialenglish.com, where you can also find transcripts, mp3s and podcast of our programmes. we also offer english teaching activities in the classroom section of our website. i'm steve vemble.
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 碧雪清风    时间: 2011-4-25 10:21     标题: [Homework]SENEWS-2011-04-25

This is the voa special english technology report
Solar water heater are using around the world and are not very difficult to build. The system we are going to describe is based on the design developed some years ago in A. since then it has been built and used in many countries, it can heat 70 liters water to 60 degrees Celsius. it can do this between sunrise and noon on a clear day with average air temperature of 32 degrees celsius.
There are two parts of the solar water heater, one part is made of sheet of matter painted black. Black surfaces become hotter in the sun than surfaces painted in the other color. This black matter plant is called a collector. The collector is placed in contact with the water, there are several kinds of matter sheets that can be used for the collector. Corol gathered matter will work very well, corol gather sheets are often used as ** on housing. Once the water is heated, it is kept hot with insolation material, this allows the water to stay warm for a long time.
The second part of the solar water heater holds the water to the system. This storage tank can be a container that hold about 100 liters. Two water pumps are attached to the water storage tank, one pump lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
You can use the hot water at the the top of the tank for washing and clearing, you can change the flow of water so that the temperature is hot or warm as designed.
This solar water heater is easy to build and operate. it will last about two years before the rab pumps need to be replaced. Ther is also something else you will need to make the solar water heater work--the sun, as you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from Interprise works vinter. This group works internationally to fight poverty. The website is interpriseworks. org. Choose the link for a news and resources, then click on publications

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: mysherrybaby    时间: 2011-4-25 10:28

This is the VOA Special English Technology report.

Solar water heaters are used around the world.And are not very difficult to build.This is then we are going to descibe is based on the design developed some years ago in an acdema Stanford .Since then, it has been built and used in many countries.It can heat 70 littlers of water to 60 degree celcies.It can do this between sunrise and noon on a clear day with an average air tempreture of 32 degrees celcies.There are two parts of the solar water heater.One part is made of a sheet of metal painted black.Black surfaces they can hotter in the sun than the surfaces painted in the other colors.This black metal plate is called a collecter.The collecter is placed in contact with the water,there are several kinds of metal sheets that can be used for the collecter.cooregated metal will worked very well.cooregated sheets are often used as rooves on housing.Once the water is heated, it is kept hot with insolation material.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 litters.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system.The other lets water flow out.When the water heater is working correctly, water will flow from the storage tank to the collecter and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the the flow of water so that the tempreture is hot or warm as desired.This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.The results of someone else you will lead to make the solar water heater work,the sun,as you might imagine the heater will heat water only on sunny days.You can get more imformation about solar water heaters and other project form enterprize works viter.This group works internationaly to fight property.The website is enterprizeworks.war.Choose the link for news and resources then click on publications.

And that's the VOA special English technology report.

Tell us if you have ever built the solar water heater or have ideas for improvement,post your comment at VOAspecialenglish.com,where you can also find transcrips,MP3s and popcaps about our program.We also offer English teaching activities in the classroom section of our site.
作者: 江云霏    时间: 2011-4-25 10:49     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report.
Soler water heaters are used around the world,and are not very difficult to build.The system we are ?to describe is based on a design developed some years ago in Afganastan.Since then,it has been built and used in many countries,it can heat seventy littles of water to sixty degrees celsius.It can do this between sunrise and noom on a clear day with an average air temperature of thirty two degrees celsius.
There are two parts to the soler water heater,one part is made of a sheet of metal to black,black surfaces become hotter in the sun then surfaces painted any other color,this black metal plat is called a collecty,the collector is placed in contact with the water,there are several kinds of metal sheets that can be used for the collector,corrugated metal will work very well,corrugated sheets are often used as roofs on housing.once the water is heated,it's capped hot with insolation meterial,this allows the water to stay warm for a long time.
The second part of the soler water heater holds the water for the system,this storage tank can be a container that holds about ane hundred littles.Two rubber pipes are attach to the water storage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning,you can change the flow of water so that the temperature is hot or warm as designed.This soler water heater is easy to build and operate,it will last about two years before the rubber pipe need to be replaced.There is also something else you will need to make the soler water heater work,the sun,as you might imagine the heater will heat water only on sunny days,you can get more information about soler water heaters and other project from enter prides works wittle.This group works internationally to fight poverty,the website is enterpridesworks.org,choose the link for a news and resouces when click on publication.
And that's the VOA special English technology report.Tell us if you have ever built the soler water heater or have ideas for improvements,post your comments at VOAspecialEnglish.com,you can also find transcripts,mp3 and part cast of our programs,we also offer English teaching activities in the classroom section of our site,I'm Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: kreaya    时间: 2011-4-25 10:52     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and are not very difficult to build.The system we are going to describe is based on the design developed some years ago in Afghanistan.Since then,it has been built and used in many countries.It can heat 70 liters of water to 60 degrees Celsius.It can do this between sunrise and noon on the clear day with an average air temperature of 32 degrees Celsius.
There are two parts to the solar water heater.One part is made of a sheet of metal painted black.Black services become hotter in the sun than services painted any other color.
The black metal plate is called a collector.A collector is placed in contact with the water.There are several kinds of metal sheets that can be used for the collector.
Corrugated metal will work very well.Corrugated sheets are often used as roofs on the housing.
Once the water is heated,it is kept hot with insulation material.This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about one hundred leaders.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system. The other lets water flow out.
When the water heater is working correctly ,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work--the sun.As you might imagine,the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from EnterpriseWorks/VITA.This group works internationally to fight poverty.The website is enterpriseworks.org.Choose the link for News and Resources,then click on Publications.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: spring25autumn    时间: 2011-4-25 10:56     标题: [Homework]SENEWS-2011-04-25

本帖最后由 spring25autumn 于 2011-4-25 10:57 编辑

This is the VOA special English Techonolgy report.
Solar water heaters are used around wrold and are not very difficult to build.The system we are going to descibe is basiced on the design develop some years ago in the Afhganistan.Since then it has been built and used in many countries.It can heat 70 liters of water to 60 degrees celsius.It can do this between sun rise and noon on the clear day with average air tempurature of 32 to degrees celsius.
There are two parts of solar water heater,one part is made of sheet of metal pianted black.Black services become hotter in the sun than services painted in the other colour.This black metal played is called a collector.The collector is placed in contect with the water.There are seveal kinds of metal sheets that can be used for the collector.Crogaded metal will work very well ,Crogaded sheets are often used as oops on housing.Once the water is heated ,it is kept hot with insolation meterial.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: xiaomigu    时间: 2011-4-25 11:04     标题: [Homework]SENEWS-2011-04-25

Soalar water heaters are used aroung the world and are not very difficult to buid. The system we are going to describe is based on the design developed some years ago in Afganistan. Since then it has been built and used in many countries. It can heat 70 litres of water to 60 degrees celcius. It can do this between sunrise and noon on a clear day with average air tempreture of 32 degrees celcius. There are two parts of the soalar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other color. This black metal plate is called a collector. The collector is placed in contact with the water. There are several times of metal sheets that can be used for the collector. Corigated metal will work very well. Corigated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insolation material. This allows the water to stay warm for a long time. The second part of the soalar water heater holds the water for the system. This storage tank can be a container that holds about 100 litres. Two rubber pipes are retach to the water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the tempreture is hot or warm as designed. This soalar water heater is easy to build and operate. It will last about 2 years before the rubber pipes need to be replaced. There is also something else you will need to make the soalar water heater work, the sun, as you might imagine, the heater will heat water only on sunny days. You can get more information about soalar water heaters and other projects from interprice works viter. This group works internationally to fight property. The web site is interprice works.org. Choose the link for news and resources then click on publications.
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: Emily@@    时间: 2011-4-25 11:09     标题: [Homework]SENEWS-2011-04-25

本帖最后由 Emily@@ 于 2011-4-25 12:58 编辑

Homework
This is the voa special english Technology report
soda water are used around the world and they are not very difficult to built.The system we are going to desgride it's base on the design that value some years ago in Afganstan.
since then, it has been built and used in many countries. it can hit 70 leather of water to 60 degree centigrate. it can do this between sunlight and noon on a clear day with @@@ 32 degree centigrate,
There are two parts to the soda water hitted.
one part is made of sheet of metal paiting black. Black surfaces that come hotter in the sun than surfaces painted in the other colour.
this black metal plate is called a colleted. the collected is planting in contept with the water. there are several kinds of metal sheets they can be used for the colleted. collect metal will work very well.
collect sheets are often used as rool on housing, once the water is hitted it's hat hot with the interlation merterial. this allows the water just stay warm for a long time.the second part of the soda water hitter hold the water for the system.this story thing can be a container they hold about 100 leathers.
the second part of soda water holds the
01:50分止
two robel pipe are retact to storiage thing. one pipe lets awter though into the systerm, the other lets water through out. from the water hitter is working correctly. watere is through from the starige thing to the collector and back again.
you can use the hot water at the top of the tun for washing and cleaning. you can change the flow of water so that the temprature is hot warm. as design, this soda water hitter is easy to build and upgrate. it relaxs about 2years @@@before the robel pipes need to be replace. there is also somethingelse you will leave to make soda water hitter work, the sun as you might admassion the hitter will hit water. you can get more information about soda water hitter and other projest from interprice works vikers.
this group works internationally to fight pobroly.

and that is the voa special english programm.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 皇普凌    时间: 2011-4-25 11:13

HOMEWORK

This is the VOA Special English Technology Report.

Solar water heaters are used around the world and are not very difficult to build.

The system we are going to describe is based on the design developed some years ago in Afganistan. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty degrees celeses.

It can do this between sunrise and noon on the clear day with an average air temperature of thirty-two degrees celeses.

There are two parts of the solar water heating. One part is made of sheet of material painted black. Black surfaces become hotter in the sun then surfaces painted any other color. This black material plate is called a collector.The collector is placed in contact with the water.

There are several times of material sheet that can be used for the collector. Collargated material will work very well. Collargated sheet are often used as loops on the housing.

Once the water is heated, it is kept hot with insolation material. This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for system. This storage tank can be a container that holds about one handred liters. Two raper pipes are retain to water storiage tank. One pipe lets water flow into the system, the other lets water flow out.

When the water heater is working correctly, water will flow from the storiage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as design. This solar water heater is easy to build and operate. It will less about two years before the bruber pipes need to be replaced.

The resources something else you will need to make the solar water heater work -- the sun. As you might imagine, the heater will heat the water only on sunny days.

You can get more information about solar water heaters and other project from enterprise work's wite. This group works internationally to fight proverty. The website is enterprise work's.al. Choose the link for news and resources then click on publications.

And that's the VOA Special English Technology Report. Tell us if you ever built the solar water heater or have ideas for improvements. Post your comments at voaspcialenglish.com or you can also find transcripts, mp3 and broadcasts about our programmes. we also offer english teaching activities in the classroom section of our site. I am Steve Amber.



This blog was generated by put listening repetition system, Check the original forum thread!
作者: 皇普凌    时间: 2011-4-25 11:14     标题: [Homework]SENEWS-2011-04-25

HOMEWORK
This is the VOA Special English Technology Report.

Sole water hitters are used ** the world and are not very difficult to **.

The system we are going to describe is based on the *** developed some years ago in ***. Since then it has been built and used in many countries. It can hit seventy liters of water to sixty degrees **

It can do this between ** and noon on the clear day with an ** air temperature of thirty-two degrees ****

There are two parts of the sole water hitting. One part is made of ****of *** black. Black surfaces become hotter in the sun then surfaces painted any other color. This black material plate is called a collector.The collector is placed in contact with the water.

There are several times of material sheet that can be used for the collector. Collargated material will work very well. Collargated sheet are often used as roops on the housing.

Once the water is hitted, it is kept hot with ***. This allows the water to stay warm for a long time.

the second  part of  solor water heat  hots water the system.  this  storage  tank  can  be  a cantaler   one  hundren   liter.two   raperpats   storage take.  one  paper thats folllow  into the   water system .  they  other lets water follow  out ,when  the  water heater is the working **** were  follow  the  storage  tanke  to the collecctor and  bake again.  you can use the hart water ** at  the tanke  for washing  and  clearly.  you can  chang the follow up  water   so  that  temprature  is  hard  war  warm as  the disared.
  this  solor water heater is  easy  ***  and the upper  rater.***** about   two years  before the rappe   **  need ***  replace. they  were **  something  else  you were need ***8 water heat  working, as you mad  imageing were  the heat only  on sunny days.  you  can  get  more  information about  the solor water  heaters and project from  in the  prejets   water fatter  properting  the rap setter its  interprese  works  stop work,choosing the linke for news and **** parklications.  and thats voa special english technology report.



This post was generated by put listening repetition system,  Check the original dictation thread!
作者: stoneamily    时间: 2011-4-25 11:15

homework

This is the VOA Special English Technology Report.

Solar water heaters are used around the world and are not difficult to build. The system we are going to describe is based on the design developed some years ago in Afganastan. Since then, it has been built and used in many countries.

It can heat 70 liters of water to 60 degree Celsius, it can do this between sunrise and noon on the clear day with an average air temperature of 32 degree Celsius. There are two parts of the solar water heater, one part is made of the sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other colour. This black metal plate is called a collector. The collector is places in contact with the water.

There are several kinds of metal sheets that can be used for the collector. Chorogated metal will work very well. Choragited sheets are often used as roofs on the housing. Once the water is heater, it is kept hot with insulation material. This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are attached to the water storage tank, one pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as designed.

This solar water heater is easy to build and operate. It ** about two years before the rubber pipes need to be replaced. There is also something else you need to make the solar water heater work, the sun, as you might imagine the heater will heat water only on the sunny days.

You can get more information about solar water heaters and other project from enterprise works **. This group works internaionally to fight poverty. The website is enterprisework.org. Choose the link for news and resources, then flick on publication. And that is the VOA Special English Technology Report.

Tell us if you ever built the solar water heater or have ideas for improvements, post your comments at voaspecialenglish.com


作者: 鬼霜帝国    时间: 2011-4-25 11:16     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on the designed develop some years ago in the @@. Since then it has been built and used in many countries. It can heat 70L of water to 60 degrees @@@. It can do this between sunrise and noon on the clear day with the average air temperature of 32 degrees @@. There are two parts @@ the solar heater. One part is made of @@ metal painted black. Black surfaces become hotter in the sun than surfacers painted any other color. This black metal plate is called a collect. The collect is play@@ in contact with the water. There are several cans of metal sh@@@ that can be used for the collector. Cover gate metal will work very well. Cover gate @@@ are often used as roofs on the housing. Once the water is heated, it is kept hard with in solution material. This allows the water deem stay warm for a long time. This second part of the solar water heater holds the water for the system. This storage tank can be contained that holds about 100L. Two rubber pipes are ready touched to the water storage tank. One pipe let water flow into the system. The other let water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hart were warm as desired. This solar water heater is easy to build and operate. It was last about two years before the rubber pipes need to be replaced. There  @@@ also something else you were lived @@@ solar water heater work, the sun as you mind imagine. The heater will heat water only on sunny days. You can get more information about solar water heaters and other project from enterprise works white. This group works internationally to fight poverty. The website is enterpriseworks.org . Choose the link for news energy resources then click on publications. And that's the VOA special English technology report. Tylor if you ever built the solar water heater or have a ideas for improvements, post your comments at voaspecialenglish.com where you can also find transcript ,mp3 and pipe cast of our programs. We also offer English teaching activities in the classroom section of our site. I'm Steve                                                    









This post was generated by put listening repetition system,  Check the original dictation thread!
作者: xtalia    时间: 2011-4-25 11:27     标题: [Homework]SENEWS-2011-04-25

This is the VOA SPECIAL ENGLISH TECHNOLOGY REPORT.
Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries. It can heat 70 liters of water to 60 degrees celsius. It can do this betwwen sunrise and noon on a clear day with an average temperature of 32 degrees celsius.
There are 2 parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in any other color.
This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector.
Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. 2 rubber pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It will last about 2 years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work, the sun. As you might imagine the heater will heat water only on sunny days.
You can get more information about solar water heaters and other project from enterprise works vita. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources, then click on publications.  
And that's the VOA SPECIAL ENGILSH TECHNOLOGY REPORT. Tell us if you've ever built a solar water heater or have ideas for improvements. Post your comments at VOASPECIALENGLISH.COM, where you can also find transcripts, MP3s and pubcasts of our programs. We also offer English teaching activities in the classroom section of our site. I;m Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 刘坦坦    时间: 2011-4-25 11:32

本帖最后由 刘坦坦 于 2011-4-25 05:30 编辑

HOMEWORK
This is the VOA special technology English  report。Solar water heaters are used around the world and are not very  difficult to build。The system we are going to discrib eis sbased on a design developd  some years ago in  *** Since then it has been  build and used in many countries.It can heat 70 @ of
water to 60 degree @.It can do this between sunrise and noon.On a clear day with an average air temperture of 32
degree @.There are two parts of the solar water heater.One part is made of a sheet of metal painted black. Black @ become hoter in the sun,then  is painted in other color.This black metal plant is called a  collocter.the collocer is played in contect with the water.there are several kinds of metal sheets that can be used for the collocter. ** metal will work very well. sheets are often used as   roofs on houseing.Once the water is heated,it is kept hard  with inssolitoin material. This allows the watar to stay warm for a long time.The second part of the solar water heater holds the water for the system.this** tank can be a container that holds about 100 **.Two ** pipes are attach to the water storyge tank .One pipe lets  water flow into the syetem. the other lets water flow out.When the water heater is working correctly,water will flow from  storyge tank  to the collecter and back again  . you can use the hot water at the top of the tank for washing and cleaning. you can change the flow of water  so that the  temperature is hot **as designed.This solar water heater is easy to build and uprate.It relast about two years before the rob pipe lead to be replaced .There is aslo something else you were lead to make the solar water heater work,the sun.As you might image the heater will heat water only on sunny days.YOU can get more information about solar water heaters and other project from enterprise work's writer.this progrom works internationly to fight *. the website is enterprise works **.choose the link for news and resources then click on publications ,and that is the  voa special english technology report.tell us if you'v ever build a solar water heater or have ideas for improvements.put your coments at voa special english down town,or you can aslo find transints and about programs  wo aslo offer english teaching activities in the classroom section about our site.
作者: fightingzhang    时间: 2011-4-25 11:45     标题: [Homework]SENEWS-2011-04-25

This the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build ,the system we are going to describe  is based on the designed developped some years ago in the........
Since then it has been built and used in many countries ,it can heat 70 liters of water to 60 ,it can do this between sunrise and noon on the clera day with an average air temperature of 32.
There are two parts of the solar water heater .One part is made of a sheet of  metal painted black,black surfaces become hotter in the sun than surfaces painted in the other color.
This black metal plate is called a collector ,the collector is placed in contact with the water ,there  are several kinds of meatal sheets that can be used for the collector.
.......metal will work very well,....sheets are often used as roofs on housing ,once the water is heated ,it is capted hot with insolution material ,this allows the water to stay wram for a long time .
The second part of the soar water heater holds the water for the system ,this storage tank can be a container that holds aoubt 100 liters ,2 ruber pipes are retached to the water stroage tank, one pipe lets water flow into the system ,the other lets water flow out.
When the water heater is working correctly ,water will flow form the storage tank to the collector and back again,you can use the hot water at the top of the tank for washing and cleaning ,you can change the flow of water so that the temperature of water is hot or warm as desired .
This solar water heater is easy to build and operate , it will last about two years before the ruber pipes need to be replace.There was  also something else you also need to make the solar water heater work ,the sun ,as you might imagine the heater will heat water only on sunny days .
You can get more information about solar water heaters on ....project from enterprize works viat, this group works for the internationally to fight property ,the website is enterprise @org,choose the link for the news and resources then click on publications .

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: wuathena    时间: 2011-4-25 11:47     标题: [Homework]SENEWS-2011-04-25

HW
This is the VOA special English technology report. Solar water heaters are used around the world and are not very difficult to build. The system will go in to describe it is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries. It can heat 70 liters of water to 60 degrees celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius. There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black services become hotter in the sun than surfaces painted in the other color. This black metal plate is called a collector. The collector is placed in contact with the water, there are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the stroage tank to the collector and back again. You can use the hot water at the top of tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as designing. This soler water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is also something else you will need to make the soler water heater work, the sun, as you might imagine, the heater will heat water only on sunny days. You can get more information about soler water heaters and other project from enterpriseworks/vita. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources then click on publications.
And that is the VOA special English technology report. Tell us if you’ve ever built the solar water heater or have idea for improvements, post your comments at voaspecialenglish.com. You can also find transcripts, MP3s and podcasts of our programs, we also offer English teaching activities in the classroom section of our site. I’m Steven Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 宋鑫_0    时间: 2011-4-25 11:52     标题: [Homework]SENEWS-2011-04-25

This is the VOA special english technology report.Solar water heaters are used around the world and are not very difficult build.The system we're going to discribed is based on a design developped some years ago in Alfgainstan.Since then it has been built and used in many countries.It can heat 70 liters of water to 60 degres selsius. It can do this between sunrise and noon on a clear day whit an average air temperature of 32 degres selsius.There are tow parts in the solar water heater: an part is made of a sheet of meltal painted black,black surfaces become heater in the sun than surfaces painted any other color;this black metal plait is called a collector,the collector is placed in contact with the water.Ther are several kinds of metal sheets that can be used for the collector.Coral getted metal will very will,coral getted sheets are of used as roofs on housing.Once the water is heated ,it is capt hot whit inserlation material.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Tow ruber pipes are retouched to the water storage tanks.One pipe lets the water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can the hot water from at the top of the tank for washing an cleaning.You can change the flow of water so that the temperature is hot or warm as designered.This solat water heater is easy to built and uprate. It will last about 2 years before the ruber pipes need to be replaced.There is also something else you will need to make the solar water heater work the sang.As you might imagine the heater will heat the water only on sunny days.You can get more information about solar water heaters and other projects from interprise works writter.This group works internationally to fight poverty.The website is interprise works.org.Chose the link for news and resouces then click on publications.And that's the VOA special english technology report.
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: wang2dsz    时间: 2011-4-25 12:10     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and are not very difficult to build. They system we are going to describe is based on the design developed some year ago in Afganistan. Since then, it has been built and used in many countries.

It can heat seventy liters of water to sixty degrees celcuis. It can do this between sunrise and noon on a clear day with an average air temperature of thirty-two degrees celcuis.

There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color. This black metal plate is called a collector. The collector is placed in contact with the water.

There are several kinds of metal sheets that can used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are attached to the water storage tank. On pipe lets water flow into the system. The other lets water flow out.

When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.

This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is also something else you will need to make the solar water heater work, the sun. As you might imagine, the heater will heat water only on sunny days.

You can get more information about solar water heaters and other project from enterprise works vita. This group works internationally to fight poverty. The website is enterpriseworks dot org. Choose the link for news and resources then click on publications.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 黄某某某    时间: 2011-4-25 12:12     标题: [Homework]SENEWS-2011-04-25

This is the voa special english technology report
Solar water heater are used aroundd the world and are not very difficult to deal.The system we are going to describe is based on the disign developed some years ago in Afghanistan since then it has been built and used in many countries. It can heat 70 liter of water to 60 degree celsius. It can do this between sunrise and noon on a clear day with an average tempreture of 32 degree celsius
There are 2 parts the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun then surfaces painted in the other color . This black metal plate is called a collector. The collector is ``placed in contact with water. There are several kinds of metal sheets that can be used for the collector. Corragated matel will work very well. Corragated sheets are otfen used on the roofs of housing once the water for the system. This storage tank can be a container that holds 100 liters. 2 rubber pipes are retached water storage tank. One pipe lets water flow into the system. The other lets water flow out . When the water heater is working correctly water will flow from the storage tank to the collector and back again . You can change the flow of water so that this solar water heater is easy to build and operate.
It will last about 2years befor the rubber pipes need to be replaced. There were also something else you need to let the solar water heater work.The sun as you might imagine the heater will heat water only sunny days . You can get more information about solar water heater and other projects from interprise works``.This group works internationally to fight poverty. The website is enterprise works.org.Choose the kink for news and resources then click on publications
And that's the voa special english technology report . Tell us if you build the solar water heater or have ideas for improvment put your commands at VOA special english . com or you can also find``````

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: budgan    时间: 2011-4-25 12:17     标题: [Homework]SENEWS-2011-04-25

This is the VOA special english technology report.

Solar water heaters are used around the world and are not very difficult to build.The system we are going to discribe is based on a design developed some years ago in Afghanistan.Since then,it has been built and used in many countries.It can heat seventy liters of water to sixty degree Celsius.It can do this between sun rise at noon on a clear day with an average air temperature of thirty-two degree Celsius.There are two parts to the solar water heater.One part is made of a shed of metal painted black.Black surfaces become hotter in the sun than surfaces painted in other colour.This black metal plate is called a collector.The collect is place in contact with the water.There are several kinds of metal sheds that can be used for the collector.Corrugated metal will work very well.Corrugated sheds are often used as roofs on housing.Once the water is heated it's kept hot with insulation material.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about one hundred liters.Two rubber pipes are attached to water storage tank.One pipe lets water flow into the system.The other lets water flow out.When the water heater works correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank to wash and cleaning.You can change the flow of water so that the temperature is hot or warm as designer.This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work.The sun,as you might imagine the heater will heat water only on sunny days.You can get more information about solar water heaters and other projects from enterprise works Vita.This group works internationally to fight proverty.The website is enterpriseworks.org.Choose the link for news and resources then click on publications.

And that's the VOA special english technology report.Tell us if you ever build the solar water heater or have ideas for improvements.Post your comments at VOAspecialenglish.com.Where you can also find transcripts,MP3s and podcasts of our programs.We also offer english teaching activities in the classroom section of our site.I'm Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: Cathy_woo    时间: 2011-4-25 12:18     标题: [Homework]SENEWS-2011-04-25

This is the voa special english technology report.
Sollar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on the design developed some years ago in A. Since then it has been built and used in many countries. It can heat 70 liters of water to 60 degrees S. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degress S. There are two parts of a sollar water heater. One part is made of a of sheet metal paited black. Black surfaces become hotter in the sun than surfaces painted in other colours. Black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. C metal will work very well. C sheets are often used as rooves on housing. Once the water is heated, it is capte hard with insallation material. This allows the water to stay warm for a long time. The second part of the sollar water heater holds the water for the system. Storage tank can be container that holds about 100 liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system. The other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature ia hot or warm as designed. This sollar water heater is easy to build and operate. It can last about two years before the rubber pipes need to be replaced. There was also something else you will need to make the sollar water heater work, the sun. As you might imagine, the heater will heat water only on sunny days. You can get more information about sollar water heaters and other projects from enterprise works R. They work internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resourses then flick on publications.
And that's the voa special english thchnology report.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: dandan0609    时间: 2011-4-25 12:32     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report.Solar water heaters are used around the world and are not very difficult to build.The system we are going to describe is based on the design and developed several years ago in the Afganastan.Since then it has been used in many countries.It can heat 70 litters of water to 60℃.It can do this between sun rise and noon in the clear day with the temprature of 32℃.There are two parts of solar water heater.One part is made of a shed of metal painted black.Black surfaces become hotter in the sun than the surfaces painted other colors.This black metal  plate is called the collecter.The collecter is placed in the contact with the water.There are several kinds of metal sheds that can be used for the collecter.Coracated metal will work very well.Coracated sheds are ofen used as roofs on housing.Once the water heated,it can't hot with the insolation materials.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 litters .Two rubber pipes are attched to the water storage tank.Ome pipe lets the water follow into the system,the other let the water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can used the hot water at the top of the tank  for washing and cleaning.You can change the flow of  water,so that the temprature of water is hot or warm as desired.This solar water heater is easy to bulid and update.It lasts two years before the rubber pipes to be replaced.There is also something else you will  need to make the solar water heater work,the sun.As you might imagine,the heater will heat the water only on sunny days.You can get more information about the solar water heater and other projects from the enterprise works vita.This group works internationally to fight poverty.The website is the enterprise works.com.Choose the link for the news and resources,then play the obligations. And that's the special English technology report.Tell us whether you have ever bulit the solar water heater of have ideas for improvement.Post your comments at the VOA special English.com. I am Steven.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: hemengxuan926    时间: 2011-4-25 12:59     标题: [Homework]SENEWS-2011-04-25

Homework
This is the VOA special English technology report.
Solar water heaters are used around the world and are not very difficult to build.The system we are going to describe is based on the design developed some years ago in Afganistan.Since then,it has been built and used in many countries.It can heat 70 liters of water to 60 degrees Celsius.It can do this between sunrise and noon on the clear day with an average air tempurature of 32 degrees Celsius.
There are two parts of the solar water heater.One part is made of a sheet of metal painted black.Black surfaces become hotter in the sun than surfaces painted any other colour.This black metal plate is called a collector.The collector is placed in contact with the water.There are several kinds of metalsheets that can be used for the collector.Corrugated metal will work very well.Corrugated sheets are often used as roofs on the housing.Once the water is heated,it is kept hot with insolation material.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two wrapper pipes are attached to the water storage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the tempurature is hot or warm as desired.This solar water heater is easy to build and operate.It will last about two years before the wrapper pipes need to be replaced.
There was also something else you will need to make the solar water heater work---the sun.As you might imgine,the heater will heat water only on sunny days.You can get more information about solar water heaters and other projects from enterprise works vita.This group works internationally to fight property.The website is enterprise works.org.Choose the link for news and resources,then click on publications.


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作者: sandy880719    时间: 2011-4-25 13:03     标题: [Homework]SENEWS-2011-04-25

It is the voa special english technology report.

Solar water heaters are used around the world and are not very difficult to build. The system will going to describe is base on the design develop some years ago in Afganistan. Since then, it has been built and used in many countries. It can heat 70 liters of the water to 60 degrees celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius.

There are two parts of solar water heater, one part is made of a sheet of metal painted black. Black surface become hotter in the sun than surface painted in the other color. This black metal plate is called a collector. The collector is placed in contact with the water.

There are several times of metal that can been used for the collector. Corrugated metal will work very well, corrugated sheets often used as roofs on housing. Once the water is heated, it is kept hot with insolation material. This allows the water to stay warn for a long time.

The second part of the solar water heater holds the water for the system. This storage tank can be a cantainer that holds about 100 liters. Two wrapper pipes are attach to the water storage tank. One pipe let's water flow into the system, the other let's the water flow out. When the water heater is working correctly, water will flow from storage to the collector tank and back again.

You can use the hot water at the top of the tank for washing or clearing. You can change of flow of water so that the temperature is hot or warn as design. This solar water heater is easy to build and operate. It will last about two years before the wrapper pipes need to be replace.

There was also something else will to need to make the solar water heater work -the sun. As you might imagine the heater will heat water only on sunning days.

You can get more information about solar water heaters and other projects from rnterprise works vita. This group works internationally to find property. The website is enterpriseworks.org, choose the link for news and resoures, then click on publications.

And that's the voa special english technology report. Tell us if you ever build the solar water heater or have ideas for improvements. Pose your comments at voaspecialenglish.com. Will you can also find transcripts, mp3 and  broadcast about programs. We also offer english teaching activities in the classroom section of our site, I am steve amber.



This post was generated by put listening repetition system,  Check the original dictation thread!
作者: renee.hcl    时间: 2011-4-25 13:07     标题: [Homework]SENEWS-2011-04-25

    THIS IS THE VOA SPECIAL ENGLISH TECHNOLOGY REPORT
Solar water heaters are used around the world, and are not very difficult to build. the system we are going to describe is based on the design develop some years ago in Afghanistan. Since then, it has been built and used in many countries.
It can heat 70 liters of water to 60 degrees Celsius, it can do this between sunrise and noon on the clear day with an average air temperature of 32 degrees Celsius, there are two parts to the solar water heater, one part is made of the sheet of the metal painted black, black surfaces become hotter in the sun than surfaces painted in the other color, this black metal plate is called a collector, the collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector, x metal will work very well, sheets are often used as roofs on housing.

Once the water is heated, it is kept hot with insulation material, this allows the water to stay warm for a long time, the second part of the solar water heater holds the water for the system. this storage tank can be a container that holds about 100 liters, two rubber pipes are attached to water storage tank, one pipe lets  water flow into the system, the other lets water flow out , when the water heater is working correctly, water will flow from the storage tank to the collector and back again. you can use the hot water as the top of the tank for washing and  cleaning ,you can change the flow of water so that the temperature is hot or warm as desired , this solar water heater is easy to build and operate, it will last about two years before the rubble pipes need to be replaced,  there are also something else you will need to make the solar water heater work, the sun, as you might imagine, the heater will heat the water only on sunny days, you can get more information about solar water heaters and other projects from enterprise works vita , this group works internationally to fight poverty, the website is enterpriseworks.org, choose the link for the news and resources then click on publications, and that the VOA special English technology report.
tell us if you have ever built a solar water heaters or have  ideas for improvements, post you comments at VOA SPECIAL ENGLISH.COM, or you can also find transcript at pm three and pose casts of our program, we also offer English teaching activities in the classroom section about our set.


This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 0901440    时间: 2011-4-25 13:19     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English technology report.
Sowler water heater are used adound the world and not very difficult to build.The system we are going to describe is based on the design developed some yers ago in Afghanistan.Since then it has been built and used in many countries.It can hit 70 liters of water to 60 degrees Celsius.It can do this between sunrise and ..on the clear day with average air temperature of 62 degrees Celius.There are two parts soeler water hitter.One part is made of ..of metal ..black.Black services they came he..in the sun then services panited in the other colours.This black metal plant is called a collecter.The collecter is p...in contact with the water.There are several kinds of metal ...that can be used for the collecter.C..metal will work very well.C..are often used as roops on housing.Once the water is heated,it is capped h...with insolation meterial.This alongs the water diss the worm for a long time.The second part of the sowler water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.2 ..are retached to the water storage tank.

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作者: lsupery    时间: 2011-4-25 13:21     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries.
It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon on a clear day with an average temperature of 32 degrees Celsius.
There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in any other color. This black metal plate is called a collector. The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing.
Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system. The other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water, so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It will last about  two years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work, the sun. As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from enterpriseworks/vita. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources, then click on publications.
And that's the VOA Special Technology Report. Tell us if you've ever built a solar water heater or have ideas for improvements. Post your comments at voaspecialenglish.com where you can also find transcripts, mp3s and podcasts  of our programs. We also offer english teaching activities in the classroom section of our site. I'm Steve Ember.

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作者: repig    时间: 2011-4-25 13:36

HOMEWORK
This is the VOA special English Technology report: solar water heaters are used around the world.

They are not very difficult to built, the system we are going to describe is based on the design developed some years ago in Af*. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty degrees s*. It can do this between sun rise and noon on a clear day with a average air temperature of thirty-two s*. There are two parts of the solar water heater, one is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other color. This black metal cleat is called collector. The collector is placed in contact with the water, there are several kinds of metal sheets that can be used for the collector. Carrigated metal will work very well, carrigated sheets are often used as roughs on the housing. Once the water is heated, it's kept hot with a isolation material. This allows the water to stay warm for a long time.

The second parts of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two robber pipes are attached to the water storage tank. One pipe lets water float into the system, the other let water flow out.when the water heater work correctly water will float will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desire. This solar water heater is easy to build and operate, it will last about two years before the robber pipes need to be replaced.

There is also something else you will need to make the solar water heater work: the sun. As you might imagine the heater will heat water only on sunny days. You can get more information about water heater and other project form enterprise works vita. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources then click on publications.

And that's the VOA Epecial English Technology report. Tell us if you've ever built a solar water heater or have ideas for improvements, post you comments at voaspecialenglish.com where you can also find transcripts,mp3s and popcast of our programs. We also offer English teaching activities in the classroom section of our site, I am Stive Ember.
作者: floydmeng    时间: 2011-4-25 13:43

[>d]   

[0:00.5]
[0:05.7] solar water heaters are used around the world ,and are not very difficult to build
[0:13.2] the system we are going to describe is based on the design developed some years ago in Afghanistan
[0:21.4] since then it has been built and used in many countries.
[0:27.1] it can heat 70 liters of water to 60 degrees celsius
[0:33.4] it can do this between sunrise and noon on a clear day with an average  air temperature of 32 degrees celsius
[0:44.5] they are two parts of the solar water heater,one part is made of sheet of metal painted black.
[0:53.7] black surfaces become hotter in the sun than surfaces in the other color.
[1:01.4] this black metal plate is called a collector
[1:06.3] the collector is placed in contacted with the water.
[1:10.7] there are several kinds of metal sheets that can be used for the collector.
[1:17.2] xxx metal will work very well.
[1:21.0] xx sheets are often used as roofs as housing.
[1:26.7] once the water is heated,it is is kept hot with insolation material
[1:32.8] this allows  the water to stay warm for a long time.
[1:38.4] the second part of the solar water heater holds the water for the system.
[1:44.7] this storage tank can be a container that holds about one hundred liters.
[1:52.0] two rubber pipes are attached to the water storage tank
[1:57.4] one pipe lets water flow into the system ,the other let water flow out.
[2:05.5] when the water heater is working correctly ,water will flow from storage tank to the collector and back again.
[2:15.2] you can use the hot water at the top of the tank for washing and cleaning.
[2:22.2] you can change the flow of water so that the temperature is hot or warm  as desired
[2:31.2] this solar water heater is easy to build and operate.
[2:37.4] it will last about two years before the rubber pipes needs to be placed.
[2:44.6] the resource something else you will need to make solar water heater work the sun.
[2:51.4] as you might imagine the heater will heat water only on sunny days
[2:58.2] you can get more information about solar water heaters and other projects from enterprise works web
[3:07.6] this groups works internationally to fight poverty the website is  enterpriseworks.org
[3:16.8] choose the link for news and resources then click on publication.
[3:23.6] and that is voa special english technology report.
作者: qiuchen5599    时间: 2011-4-25 14:11     标题: [Homework]SENEWS-2011-04-25

solar water heaters are used around the world and are not very difficult to build, the system we are going to describe is based on the design developed some years ago in standard, since then, it has been built and used in many countries, it can heat 70 liters of water to 60 degrees. it can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees. there are two parts that the solar water heat you, one part is made of a sheet of metal, painted black, black surfaces they can hotter in the sun than surfaces painted in the other color, this black metal collect is called a collector. the collector is placed in contact with the water. there are several kinds of metal sheets that can be used for the collector, coin metal will work very well, are often used as routes on housing. once the water is heated, it is kept hard with incernation materials, this allows the water to stay warm for a long time, the second part of the solar water heater holds the water for the system, this storage tank can be a container that holds about 100 liters, two riber pipes are re-touched to the water storage tank, one pipe lets water flow into the system, the other lets water flow out, when the water heater is working correctly, water will flow from the storage tank to the collector and back again, you can use the hot water at the top of the tank for washing and cleaning, you can change the flow of water, so that the temperature is hard warmed as designed, this solar water heater is easy to built and operate, it will last about two years before the riber pipes need to be replaced, there is results something else you will lead, to make the solar water heater work, the sun. as you can might image, the heater will heat water only on sunny days, you can get more information about solar water heaters and double project from enterprise works witer, this group work internationally to find probility, the web site is enterprise works.com, choose the link for a news and results than collect in publications.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 100hills    时间: 2011-4-25 14:16     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English, Technology Report.
Solar water heaters are used around the world, and are not very difficult to build. The system we are going to describe is based on the design developed some years ago in Afghanistan. Since then, it has been built and used in many countries. It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon in a clear day with an average air temperature of 32 degrees Celsius.
There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other color. This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. Colligated metal will work very well. Colligated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water, so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is also sth else you will need to make the solar water heater to work, the sun. As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from Enterprise Works Vita. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources, then click on publications.
And that's the VOA special English, Technology Report. Tell us if you've ever built the solar water heater or have ideas for improvements. Pose your comments at voaspecialenglish.com. Or you can also find transcripts, mp3, and podcasts of our programs. We also offer English teaching activities in the classroom section of our site. I'm Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 一个普通人    时间: 2011-4-25 14:35

My homework:
This Voa special english technology report

solar water heaters are used around warm and other very difficult to do.The system will go into describ it is based on design the develop some years ago in the Afganistan. since then it is has been built and used in the many countries.it can heat seventy liter of water to  sixty degree celsuis .It has to base between sunrise  and noon are the clear day with and average in temperature of thirty-two degree celsuis .

They are two parts solar water heater.One part is made sheet of metal painter black. Black surface become hotter in the sun that surface paint in the other color.This black metal played is called a collector.The collector is place in connect with water.Ther are several kinds of metal sheets they can be used of connector.called in better when warm bill in very.caver ofen uses else when hourse.Once the water is heater it's keep hot with insolation  material. This a long water the stay warm for a long time.

   The second part sloar water heater hot water for the system.The storage tank can be a container that holds about one hundred liters.Two rubber pipe are reatch to the water storage tank.one pipe let one flower into the systems.The other liter water flow out.when the water heart is working for correctly water all flow from the storage tank  to the collector and back  again. It can use the hot water and top of the tank for the for washing and cleaning.You can change the flow of water so they tempertaure is hot or warm as desgin.This is solar water heater is easy to built and operate.It let about two years before the rubber pipes need to be replace.Their resources something elso you will need to make the solar water heater work the sun as you might imaging the heart will hear  water alway on sunning days.You can get more information about solar water hearters and other project from enterprize waters viter.This group works international to find property.The website is enterprise works then choice the link for a news and resources then click on publication  . The ends the VOA special english
作者: nanophenix    时间: 2011-4-25 14:37     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on the design develop some yeas ago of in Affcanisan. Since then, it has been built and used in many countries.

It can heat seventy liters of water to sixty degrees Celsius. It can do this between sunrise and noon on the clear day with an average air temperature of thirty-two degree Celsius.

There are two parts of a solar water heater, one part is made of the sheet metal of pattern black. Black surfaces become hotter in the sun than surfaces pattern in the other color. This black metal plate is called a collector. The collector is placed in contact with water. There are several kinds of  metal sheets that can be used for the collector.


Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with isolation material.  This allows the water to stay warm for a long time.  The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters.


Two water pipes are attached to the water storage tank. One pipe lets water flow into the system, the other let water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again.


You can use the hot water water at the top of tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired. This solar water heater is easy to build and operate. It will less about 2 years before the water pipes need to be replaced.


There's also some other else you will need to make the solar water heater work, the sun, as you might image that heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from enterprise/VITA.


This group works internationally to fight property. The website is enterpriseworks.org.  Choose the link for a news and resources then click on publications.


And that's the VOA special English technology report. Tell us if you ever build a solar water heater or have ideas for improvements. Post your comments at specialenglish.voa.com. While you can also find transcripts, MP3s and podcasts about our programs. We also offer English teaching activities in the classroom section of our site. I'm Steve Ember.






This post was generated by put listening repetition system,  Check the original dictation thread!
作者: sissiyuu    时间: 2011-4-25 14:48

[HOMEWORK] SEMEWS-2011-04-25
    This is the VOA special English technology report.
    Solar water heaters are used around the world and are not very difficult to build.The system we are going to discrible  is based on the disigned developed some years ago in Afghanistan.Since then it has been built and used in many countries.It can heat 70 liters of water to 60 degrees celsius.It can do this between sunrise and noon on a clear day with an everage air temprature of 32 degrees celsius.
    There two parts to the solar water heater.One part is made of a sheet of metal painted black.Black surfaces become hotter in the sun than surfaces painted in the other colcor.This black metal plate is called a collecter.The collecter is palced in contact with the water.There several kinds of metal sheets that can be used for the collecter.Coragated metal will work very well.Coragated sheets are often used as roofs on the housing.Once the water is heated  it is kept hot with inslation material.This allows the water to stay warm for a long time.
    The secomd part of the solar water heater holds the water for the system.This storage tank can be a container that holds about  100 liters.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system.The other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collecter and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as desired.This solar water heater is easy to build ane operate.It will last about two years before the rubber pipes need to be replaced.
    The results or something else you will need to make the solar water heater work ,the sun,as you might imagine ,the heater will heat water only on sunny days.
    You can get more information about solar water heaters and other projects from enterprise works viter.This group works internationally to fight poverty.The website is enterpriseworks.org.Choose the link for news and resouraces,then click on publications.
    And that's the VOA special English technology report.Tell us if you've ever built a solar water heater or have ideas for improvements,post your comments at voaspecialenglish.com,or you can also find transcripts,MP3s and podcasts of our programs.We also offer English teaching activities in the classroom section of our site,I'm Steve Ember.
作者: echo2001_1982    时间: 2011-4-25 15:13     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report. Solid water heaters are used around the world and not very diffcult to built.The system we are getting to discrbe is based on the design the veleper some years ago in Afghanistan. Since then, it has been built and used in many countries. it can hit 17 litters of water to 60 degrees serice.it can do this between sunrise and noon on the clear day with average era temperature of 32 degrees series.there are two parts in the solid water hitter.one part is made of the shade of metal painted black.black surface become hotter in the sun than surface painted in the other color.this black metal plate is called a collecter.the collecter is placed in the contact with the water.there are several kinds of metal shapes that can be used for the collecters.coregated metal were worked very well.coregated shapes are often used as roofs on the housing.once the water is hitted, it is camtain hotter with the inserlation material.this alongs water distay warm for a long time.the second part of solid water hitter holds the water for the system.this storage tank can be acontainer that holds about 100 litters.two rapper pipes are retatched to the water storage tank.one pipe let water flow into the system.the other let water flow out.when the water heater is working correctly. water were flow from the storage tank to the collect and back again.you can use the half water at top fo the tank for washing and cleaning.you can change the flow of water so that the temperature is half  more warm as design.this so learn water heater is easy to build and up read.it was last about 2 years before the rubber pipes need to be replaced. there was also something else you will wait to make the solid water heater work.the sun, as you image merge,the heater will heat water only on sunny days.you can get more information about solid water heaters and doc.project from interprise works weter.this group works internationally to fight powerty, the website is interprise works double owned.truth the link for a news as a reasinces then pick on populacations.and that's the voa special english techonology report.teles if you ever  built solid water heater or have  ideas for improvements.  post your comments at voa special english.com.you can also find transit and part gets of programs. we also offer english teacher activities in the classroom section about site.i'm steven lamber.
                                                     
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 穆勒    时间: 2011-4-25 15:18     标题: [Homework]SENEWS-2011-04-25

is the voa special english technology report. solar water heaters are  used around the world and are not very difficult to build. the system we are going to describe is based on the design developed some years ago in the afcanasky. since then it has be built and used in many countries.it can heat seventy litters of water to sixty degrees senciass and can do this between sunrise and noon or a clear day with the anvenge air tempreture of thrity two degrees senciass.
there are two parts of the solar water heater. one part is made of the sheet of mental painted blank .blank services become hoter in the sun than services painted any other color.this blank mental paint is called a celecter.
the celecter is planed to contest with the water. there are several kinds of mental sheets that can be used for the celecter.
corogeated mental will work very well.corogated sheets are often used as roof on housing once the water is heated ,it is capt hard with in serlation material. this allows the water to stay warm for a long time.
the secnd part of the solar water heater holds the water for the system. this storage tank can be a container that holds about one hundrand litters.
two robber pips are retech to the water storage tank. one pip lets water flow in the  system.the other lets water flow out.
when the water heater is workin correctly,water will flow from the storage tank to the celecter and back again ,you can use the hot water at the top of the tank for washin and cleaning. you can change the flow of water so that the tempeture is hot or warm as designed .this solar water heater is easy to build and operate.
it will less about two years beforethe rabber pips need to be replaced.there will aslo something else you will need to make the aolar water heater work: the sun. as you would imagin the heater would heat thw water only in sunny days.
you can get more information about solar water heaters and other projects from inter-prize works Whiter this group works internationally to find powerty.the website is interprize works @ org.choose the click for a news as resources then click on publications.
and hat's the voa technology report .tall us if you ver built thesolar water heater or have ideas for improvements .post your connents at voa special english @com or you can also find transres mp3 and part gets about programs.


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作者: 始信    时间: 2011-4-25 15:22

Homework

This is the VOA Special English Technology Report. Solar water heaters are used around the world, and are not very difficult to build. The system we are going to describe is based on a design developed some * in Afghanistan. Since then, it has been built and used in many countries. It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees Celsius. There are two parts of the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color. This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheet that can be used for the collector. * metal will work very well. * sheets are often used as roofs on housing. Once the water is heated, it is kept hot with isolation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters.  Two rubber pipes are attached to the water storage tank. One pipe let the water flow into the system. The other let water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desire. This solar water heater is easy to built and operate. It will last about two years before the rubber pipe need to be replaced. There is also something else you will need to make the solar water heater work, the sun. As you might imagine, the heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from Enterprise Works *. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources than click on publications. And that's the VOA Special English Technology Report. Tell us if you ever built a solar water heater or have ideas for improvements. Post your comments at voaspecialenglish.com where you can also find transcripts, mp3s and podcasts of our programme. We also offer English teaching activities in the classroom section of our site.
作者: lxqjsxz    时间: 2011-4-25 15:22     标题: [Homework]SENEWS-2011-04-25

this is the voa special english technology report.
Solar water heaters are uses around the world. and are not very difficult to built. The system we are going to describe is based on the design develped some years ago in Afganistan. Since then, it has been built and used in many countries. It can heat seventy liters of water to sixty degrees celsius. it can do this between sunrise and noon on a clear day with an everage air temperature of 32 degrees celsius.
there are two parts of the solar water heater. One part is made of a sheet of metal painted blank. Blank surfaces become hoter in the sun than surfaces painted in the other color. This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. Corregated metal will work very well. Corregated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rupper pipes are attach to the water storage tank, one pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water, so that the temperature is hot or warm as desired.
This solar water heater is easy to built and operate, it will last about two years before the rubber pipes need to be replaced. There is also something else we will need to make the solar water heater work-the sun. As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from enterprise works viter, this group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resouses then click on publications.
And that's the voa special english technology report.


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作者: wodi1015    时间: 2011-4-25 15:34     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and not very difficult to built.The system we are going to describe is base on the design some years ago.Since then it has been built in many countries.It can heat 70 liters of water to 60 degree (Celsius).It can do this between sunrise on the noon, on the clear day on average temperatur--temperature of 32 degrees Celsius.
There are two parts of solar water heater. One part is made by a sheet of metal paint black.Black surface became hotter in the sun than paint other color.This black metal plate is called collector.The collector is placed in contact with the water.There are several kind of metal heater can be used for the collector.Corrugated metal works very well. Corugate sheet metal are offen used as group on housing.Once the water is heated, it keep hot with ins--insulation  material.This allow water to stay warm for a long time.
The second part of the heater hold water for the system.This storage tank could be a container hold about 100 liters of water.Two (rubber) pipes are attached the storage tank. One pipe let water flow into the system.The other let water flow out.When water heater is working correctly,water will flow from storage to collector and back again. you can use the hot water on the top of the tank for washing and cleaning.You can change the flow of water so that the temperature could be hot or warm as desired.This water heater is easy to built and upgraded. It will last about two years before rubber pipes need to be replaced.There is also something else you will need to make solar water heater work. The sun as you might image that the heater will only heat water in sunny day.You can get more information about solar water heaters and other projects from enterprise works. this group internationally to fight poverty.The website is enterpriseworks.org. Choose the link for News & Resources, then click on Publications.

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作者: sukie110422    时间: 2011-4-25 15:56     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology report.

Solar water heaters are used around the world and are not very difficult to build.The system that we are going to describe is based on the design developed some years ago in Afghanistan.Since then, it has been built and used in many countries.It can heat 70 liters of water to 60 degree celsius.It can do this between sunrise and noon on a clear day with an average air tempreture of 32 degrees celsius.There are two parts of the solar water heater.One part is made of a sheet of metal painted black.Black surfaces they come hotter in the sun than the surfaces painted in the other colors.This black metal plate is called a collector.The collecter is placed in contact with the water,there are several kinds of metal sheets that can be used for the collector.Corrugated metal will work very well. Corrugated sheets are often used as rooves on housing. Once the water is heated, it is kept hot with insolation material.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system.The other lets water flow out.When the water heater is working correctly, water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the the flow of water so that the temperature is hot or warm as desired.This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.The resources something else you will need to make the solar water heater work,the sun,as you might imagine the heater will heat water only on sunny days.You can get more imformation about solar water heaters and other project from enterprise works viter.This group works internationaly to fight property.The website is enterpriseworks.org.Choose the link for news and resources then click on publications.

And that's the VOA special English technology report.

Tell us if you have ever built the solar water heater or have ideas for improvement,post your comments at VOAspecialenglish.com,where you can also find transcripts,MP3s and broadcast about our program.We also offer English teaching activities in the classroom section of our site.
I'm Steve Amber.

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作者: Ezelin    时间: 2011-4-25 16:03     标题: [Homework]SENEWS-2011-04-25

HW:
This is the VOA Specal English Technalogy Report. Sola water hitters are used around the world and are not very difficut to build. The system will going to descript its base on it design develop some years ago in Apcanastan. Since then, it has been build and used in many countries. It can heat 70 litters of water to 60 digrees cesies. It can do this between sunrise and noon on a clear day in the navelige year tempuriture of 32 digrees cesies. They are two parts of the sodawater heater. One part is made the mechine of metal panting black. Black * hard in the sun then * pant it in the other color. Black metal plate is called a cellecty. The cellecty is played in contect with the water. They are sevaral pans of metal sheets that can be used for the cellecter. Colagate metal will work very well. Colagate chips are often use as woops on housing. Once the water it is heating, it is cap hard with inserlation meterial. This arowds the water stay warm for a long time. The second part of sodowater heater hold the water for system. This storistan can be a continer that holds about 100 litters. Two raber pias are retech to water storiestack. One pip lets the water flow into the system. One pip lets water flow out. When the water heater is working cerectly, the water will flow from the storistan to the cellecter and back again. You can ues the hot water at the top of the tan for washing and cleaning. You can change the flow water so that tempureture is hot warm as design. This sodawater heater is easy to build and arperate. It last about two years before the rape pips need to be place. They are also something else you are lead to made the sodawater *. As you mind the megen, the heater only on sunny days. You can get more imformation about solawater heaters and other project from interprise worlds viter. This group international li to find parberty. The website is interise works.com. Choose the link for use and resoush then plate gun partberlications. And this is VOA Specal English Technology Report.

  

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作者: echo2001_1982    时间: 2011-4-25 16:23     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report.
  Solar water heaters are used around the world and not very difficult to build. The system we are going to describe is based on the design the developed some years ago in Afghanistan. Since then, it has been built and used in many countries. It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon on a clear day with average air temperature of 32 degrees Celsius.
  There are two parts in the solar water heater. One part is made of the sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color.
  This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector.
  Corrugated metal were worked very well. Corrugated sheets are often used as roofs on the housing. Once the water is heated, it is kept hot with the insulation material. This allows water to stay warm for a long time.
  The second part of solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters.
  Two rubber pipes are attached to the water storage tank. One pipe let water flow into the system. The other let water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
  You can use the hot water at top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.
  This solar water heater is easy to build and operate. It will last about 2 years before the rubber pipes need to be replaced.
  There was also something else you will need to make the solar water heater work. The sun, as you might image, the heater will heat water only on sunny days.
  You can get more information about solar water heaters and other projects from enterprise works VITA. This group works internationally to fight poverty. The website is enterprise works .org.  Choose the link for News & Resources, and then click on publications. And that's the VOA special English technology report.
  Tell us if you ever built solar water heater or have  ideas for improvements.  Post your comments at VOA special English.com. Where you can also find transcripts, mp3s and podcasts of  our programs. We also offer English teacher activities in the classroom section about site. I’m Steven lumber.
                                                     
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作者: Sarah、晏玮。    时间: 2011-4-25 16:26     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world,and are not very difficult to build.The system we are going to describe is based on the design developed some years ago in Afghanistan.Since then,it has been built and used in many countries.It can heat 70 liters of water to 60 degrees celsius.It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees _______.

There are two parts of the solar water heater,one part is made of a sheet of metal painted black.Black surfaces become hotter in the sun than surfaces painted any other color.This black metal plate is called a collector.The collector is placed in contact within the water.There are several kinds of metal sheets that can be used for the collector.Congregated metal will work very well,congregated sheets are often used as roofs on houses.Once the water is heated,it is kept hot with insolation material.This allows the water to stay warm for a long time.

The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two rubber pipes are attached to the water storage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as designed.

This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work,the sun,as you might imagine,the heater will heat water only on sunny days.

You can get more information about solar water heaters and other projects from enterprise works vital.This group works internationally to find property.The website is enterpriseworks.org,choose the link for news and resources,then click on publications.


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作者: kevinchangzbw    时间: 2011-4-25 16:53     标题: [Homework]SENEWS-2011-04-25

本帖最后由 kevinchangzbw 于 2011-4-25 09:01 编辑

This is the VOA special English technology report.

Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on is a design developed some years ago in Afghanistan. Since then it has been built and used in many countries. It can heat 70 liters of water to 60 degrees celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius. There are two parts of the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color. This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. Congregated metal will work very well, congregated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insolation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as designed. This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is also something else you will need to make the solar water heater work, the sun. As you might imagine, the heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from enterprise works VITA. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resources, then click on publications.

And that's the VOA special English technology report. Tell us if you've ever build the solar watr heater or have ideas for improvements. Post your comments at voaspecialenglish.com, where you can also find transcripts, mp3s, and podcasts of our programs. We also offer English teaching activities in the classroom section of our site. I'm Steve Ember.



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作者: miko23    时间: 2011-4-25 17:12     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report:
Solar water heaters are used around the world and are not very difficult to build. The system are going to describe it is based on designing and developed some years ago in the Afghanistan.
Since then, it has been built and used in many countries. It can heat 70 liters of water to 60 degrees Celsius. It can do this between sun rise at noon on the clear day with average air temperature of 32 degrees Celsius.
There are two parts of solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces pained any other of color. This black metal played is called a collector.
The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector.
C metal will work very well. C sheets are often used as roves on the housing.
Once the water is capped heated, it is hot within isolation material. This allows the water to stay warm for a long time. The second part of solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters.
Two rubber pipes are attached water storage tank. One pipe lets water flow into the system. The other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use hot the water at the top of tank for washing and cleaning. You can change the flow of water so that temperature is hot or warm as designed. The solar water heater is easy to build and operate. It will last 2 years before the rubber pipes need to be placed. The results of something else you will need to make solar water heater work, the sun. as you might image, the heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from enterprise Vitter. This group works internationally to find property. The website is enterprise work.org. Choose the link for news and resources than click publications.
And that's the VOA Special English Technology Report. Tell us if you ever build the solar water heater or have ideas for improvements. Post your comments at voaspecialenglish.com. You can also find transcripts, mp3s and pod casts of our programs. We also offer English teaching activities in the classroom section above our site. I'm Steve Ember.

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作者: fce2004_001    时间: 2011-4-25 17:12     标题: [Homework]SENEWS-2011-04-25

This is the voa special english technology report .Solar water heaters are used around the world ,and are not very difficult to build .The system we are going to describe is based on the design develop some years ago in nof canada sdan.Since then ,it has been built and used in many countries .It can heat 70 liters of the water to 60 degree Celsius .It can do this between sunrise and noon on the clear day with  average air temperture of 32 degree Celsius .There are two parts of the solar water heaters . One part is made of shit of the metal printed black . Black services become hoter  in the sun  than the other color .This black metal pleat is called collector .The collector is placed in the contect with the water .

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作者: 陈媛_1    时间: 2011-4-25 17:22     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special Enlgish Techonology Report.
Solar water eaters are used around the world and not very difficult to build. The system we are going to describe is based on the design developed some years ago in A.
Since then, it has been built and used in many countries. It can heat 70 litres of water to 60 degree S. It can do this between sunrise and noon on a clear day with average air temperature of 32 degrees S.
There are two parts to the solar water heater. One part is made of sheet of metal painted black. Black surfaces become hotter in the sun, then surfaces painted in the other color. This black metal plate is called a collecter. The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector. C metal will work very well. C sheet are often used as roofs on housing. Once the water is heated, it's hept hot with I material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 litres.
Two BP are att to the water storage tank. One p lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
You can use the hot water at the top of the tank for washing and cleaning.  You can change the flow of water, so that the temperature is hot or warm as designed.
This solar water heater is easy to build and operate. It lasts about 2 years before the R need to be replaced. The result something else you will need to make the solar water heater work, the sun. As you might imagine, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from interprice works vitor. This group works internatinally to fight P. The website is enterpriseworks.com. Choose the link for news and resouces, then filk on publicians.  

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作者: liuyuyu58    时间: 2011-4-25 17:53     标题: [Homework]SENEWS-2011-04-25

water heaters are used around the world and are not difficult to build.the system we are going to describe based on the designed develop some years ago in afghanistan.since then it has been built and used many centuries.it can heat 70 liters of water to 60 degrees celsius.it can do this between sunrise and noon on the clear day with average air temperature of 32 degrees celsius .there are two parts to the solar water heater .one part is made of  a sheet of metal painted black.black surfaces become hotter in the sun than the surfaces painted in the other color.this black metal plate is called collector. the collector is placed to contact with the water .there are several kinds of metal sheets that can be use for the collector.corriget metal will work very well .corriget  sheet are often used as  roofs on the housing .once water is heated it is kept hot in the isolation mateial.this allows water to stay warm for a long time. the second part of the solar water heater hold the water for the system.the storage tank can be a container that holds about 100 liters.two water pipes are retouched to the water storage tank. one pipe lets water flow into the system .the other lets water flow out . when the solar water heater is working correctly,the water wil floew from the storage tank to the collector and back again.you can use the hot water as the top of the tank for washing and cleaning .you can change the flow of the water so that the temperature is hot or warm as desired. this solar water heater is easy to build and operate.it will last about 2 years before the rubber pipes need to be replaced.there are something else you need to make sloar water heater work -the sun.as you might imagine that heater works only on sunny days.

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作者: 夏小正323    时间: 2011-4-25 18:16     标题: [Homework]SENEWS-2011-04-25

Soler water heaters are used around the world and are not very difficult to built.The system we are going to describe is based on the design developed some years ago in stand.Since then it has been built and used in many countries.It can heat 70 liters of water and 60 degrees Celsius.It can do this between sunrise and moon on the clear day with an average temperature of 32 degrees Celsius.There are two parts of the soler water heaters,one part is made of a sheet of a metal painted black.Black services become hotter in the sun and surfaces paint it into another color.This black metal cake is called the collector.The collector is play the contact with the water.There are several kinds of metal sheets can be used as collector.The ? metal will work very well.C sheets are used as roofs on the housing,Once water is heated,it is keeped  with the insolaton material.This allows the water to stay warm for a long time.The second part of the soler water heater holds the water for the system.This storage tan can be a container hold about 100 liters.Two wrapper pipes are attached to the water storage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank  to the collector and back again.You can use the hap of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as desired.This soler water heater is easy to build and operate.It will last 2 years before the wrapper pipes need to be replaced.There is also something else we need to make the soler water heater work.As you might imagine the heater would heat water only on sunny days.You can get more information about soler water heaters and other project from the .This group works internationally to fight poverty.The website is ... Choose the link for news and resources then . on  publications.



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作者: 依藤小白    时间: 2011-4-25 18:33     标题: [Homework]SENEWS-2011-04-25

Solowater heaters are used around the world and are not difficult to build.The system we are going to describe is based on the design developped some years ago in _____.Since then ,it has been built  and used in many countries.It can heat 70 liters of water to 60 degrees _____.It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees ____.There are two parts of the solowater heater.One part is made of a sheet of metal painted black.Black surface become hoter in the sun than surfaces painted any other color.This black metal plate is called a collecter.The collecter is placed in contect with the water.There are several kinds of metal sheets that can be used for the collecter._____will work wery well._____cheets are often used as ___ on housing.Once the water is heated,it is capped hard with _____ material.This  allows the water to stay warm for a long time.The second part of the solowater heater holds the water for the systerm.This  storidge tank can be a contaner that holds about 100L.Two ___pipes are   water  storidge tank.One pipe lets water flow into the systerm.The other lets water flow out.When the water heater is working correctly water will flow from the storidge tank to the collecter and back again.You can use the hot water an the top of the tank for washing and cleaning.You can  change the flow of water so that the temperature is hot or warm is designed.This solowater heater is easy to buld and uprate.It will last about 2 years before the  pipes need to be replaced.There is also still something else you will need to make the solowater heater work.As you mighter imagine the heater will heat water only on sunny days.You can get more imformation about solowater heaters and other projects from interprise  works ____.This group woks internationaly to fighter poverty. The website is interprise works.org.Choose the link for news and resource then click on publiccations.
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作者: wangsongding    时间: 2011-4-25 18:54

This is the VOA special English technology report
Solar water heaters are used around the world and they are not very difficult to build. The system we are going to describe is based on the design develop some years ago in the Afganistan. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty degrees Celsius. It can do this between sun rise and moon on the clear day with an average air temperature of thirty-two degrees Celsius. There are two parts of the solar water heater. One part is made of the sheet of metal painted black. Black surfaces become hotter in the sun than the surface painted other colour.
作者: xiaochuanyy    时间: 2011-4-25 19:07     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries.
It can heat seventy liters of water to sixty degrees Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of thirty-two degrees Celsius.
There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color.
This black metal plate is called a collector. The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing.
Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system. The other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work -- the sun. As you might expect, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from EnterpriseWorks/VITA. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for News & Resources, then click on Publications.
                                                   
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作者: proing    时间: 2011-4-25 19:13     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English technology report. Soller water it is are  used around the world, and not very difficult to bill.The system we are gain to do scrave  *design develop some year ago in the Afgan.
Since then it has been bill and used in many country,it can hit seventy letter in the water to six degree saorils. It can do this between sunlize and noon on the clear day,  * temperature of 32 degrees sellres.
Thare are two parts of the soller water heat ,one part is made of sheet metal pen black, black services become hots in the sun then service painted in the other color. This black metal plat is called a collector ,the collector is play staying concutesk with the water.
There are several tin the metal sheets,they can be used the collector, collegates metal will work very well, collecgate cheets often used as roops on the healthy. Once the water is heated, it is cap top with the solation metrial, this a longth water still warm for a long time. The second part the solove of the water heated, hold the water for the system,this storage tan can be a container that hold about 100 leaders, two ruper pies s* the touch the water storage tans. One type lets water flow into the system, the other let water pull out. When the water heat in it's working correctly, water will pull from the storage tans to the collector and back again. You can use the hot water as the top of tans for washing and clearing. You can change the flow of water so that the temperatury into hard  more warm as the degin.
So the water heated is easy to build and ubray. It is the last two years before the rubble pipes need to be replace. There was also something else you were leave to make the siloor water heat work the sum as your mind megin they heat the water only on the sunny days.
You can get more information about siler, water ,heaters, and  * projects from enterprice works witor.This group works internationaly the five  populty, The website is enterprice works dupall.C* learn for use and resovles then collect on publications.
And that's the  VOA Sepceial English technology report. Tell us if you ever billses solor water, heater or have a idea for improvements, Puts your comments at voaspecialenglish.com,
where you also find transerace , mp3 and *  about programes. we also offer english teaching actives in the classroom sections about site. I'm Steve Ember
   

                                                   
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作者: hanmanxing12345    时间: 2011-4-25 19:25

And that's the VOA Special English Technology Report. Tell us if you ever build the soler water heater or have ideas for improvements. Post your comments at voaspecialenglish.com. You can also find transcripts, mp3s and podcasts of our programs. We also offer english teaching activities in the classroom section above our site. I'm Steve Ember.
作者: Daisy0217    时间: 2011-4-25 19:25     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and are not very difficult to build. The system we are going to discribe is based on the design developed some years ago in Afghanistan. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty digrees celsius. It can do this between sunrise and noon on a clear day with an anverage air temperature of thirty two degrees celcius. There are two parts to the solar water heater, one part is made of a sheet of matel painted black. Black surfaces become hotter in the sun than surfaces painted in other color. This black metal plate is called a collecter. The collecter is placed in contact with the water. There are several kinds of metal sheets that can be used for the collecter. Corrigated metal will work very well, corigated sheets are often used as roofs on the housin. Once the water is heated, it is kept hot with inserlation meterial, this allows the water to stay warm for a long time. The second part of the solar water heater hold the water for the system. This storage tank can be a container that holds about one hundred liters. Two rubber pipes are attached to the water storage tank. One pipe let water flow into the system, the other let water flow out. When the water heater is working correctly, water will flow from the storage tank to the container and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of the water so that the temperature is hot or warm as desired. This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is also something else you will need to make the solar water heater work--the sun. Might image, the heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from interprise works vita. This group works internationally to fight poverty. The website is interpriseworks.org. Choose the link for news and resources then flick on publications.
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作者: licourage    时间: 2011-4-25 19:49

1# qingchengshan
HOMEWORK
This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on
a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries.
It can heat seventy liters of water to sixty degrees
Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of thirty two degrees
Celsius.
There are two parts to the solar water heater. One part is made of a sheet of metal painted black.
Black surfaces become hotter in the sun than surfaces painted any other color.
This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well,
Corrugated sheets are often used as roofs on a housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system.
This storage tank can be a container that holds about one hundred liters.
Two rubber pipes are attached to the water storage tank. One pipe lets water flow
into the system.
The other lets water flow out.
When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
You can use the hot water at the top of the tank for washing and cleaning.
You can change the flow of water so that the temperature is hot or warm as desired. This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is also something else you will need to make the solar water heater work --the sun, as you might imagine.
The heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from EnterpriseWorks/VITA.
This group works internationally to fight poverty. The website is enterpriseworks.org.
Choose the link for News &
Resources then click on Publications.
and that's the VOA
Special English Technology Report. Tell us if you've ever built a solar water heater or have ideas for improvements. Post your comments at voaspecialenglish.com. Or you can also find Transcripts, MP3...

作者: kristma    时间: 2011-4-25 20:10     标题: [Homework]SENEWS-2011-04-25

This is the voa speial english technology report
Solar water heaters are used around the world and are not very difficult to build.the system we are going to describe is based on a design developed some years ago in Afghanistan.since then,it has been built and used in many countries.
It can heat seventy liters of water to sixty degrees celsius.it can do this between sunrise and noon on a clear day with an average air temperature of thirty-two degree celsius.
There are two parts to the solar water heater.one part is made of a sheet of metal painted black,black surfaces become hotter in the sun than surfaces painted any other colour.
This black metal plate is called a collector.The collector is placed in contact with the water.
There are several kinds of metal sheet that can be used for the collector.Corrugated metal will work very well.corrugated sheets are often used as roofs on housing.once the water is heated it kept hot with insulation material.This allows the water to stay warm for a long time.
The second part of solar water heater holds the water for the system,This storage Tank can be a container that holds about one hundred liters.Two rubber pipes are attached to the water storage Tank.one Pipe lets water flow into the system.the other lets water flow out.when the water heater is working correctly.water will flow from the storage tank to the collector and back again.
You can use the heater water at the top of the Tank for washing and cleaning.you can change the flow of water so that the temperature is hot or warm as desire.This solar water heater is easy to bulid and operate.it will last about two years before the rubber pipes need to be replace.
There is something else you will need to make the solar  water heater work the sun  as you might imagine  the heater will heat water only on sunny days.
You can get more information about solar  water heaters and other project from enterprice works vitas. This group works internationally to fight poverty. The website is enterprice works.org choose the link for news and resources then clip on Publications.
and that's the voa special english technology report,tell us if you ever built a solar water heater or have ideas for improvement,post your comments at voaspecialenglish.com.we will also find  transcrips  Mp3 and podcast of our programs. we also offer english teaching activities in the classroom section of our program.I'm steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: evetina    时间: 2011-4-25 20:16     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report. Solar water heaters are used around the world and they are not very difficult to build. The system we are going to decribe is based on the design developed some years ago in Afghnistan. Since then, it has been built and used in many countries.It can heat seventeen liters of water to sixty degrees celsius.It can do this between sun rise and noon on a clear day with average air temperature of 32 degree celsius. There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted with any other color.This black metal plate is called a collector. The collector is placed in contact with the water. There are severl kinds of metal that can be used for the collector.Coregated metal will work very well. Corageted sheets are often used as roofs on housing. Once the water is heated, it is kept with insulation material. This allows water to stay warm for a long time. The second part of the solar water heater holds water for the system.This storage tank  can be a container that holds water about 100 liters. Two ruber pipes are attached to the storage tank. One pipe leads water into the system. The other leads water flow out.When the water heater work normally, then the water would flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of the water so the temperture of the water can be changed hot or warm as designed.This solar water heater is easy to build and operate.It will last two years before the ruber pipes need to be replaced. There is also something else you may need to make the solar water heater work--the sun.As you might have imagined, the solar water heater will only heat the water on sunny days. You can get more information about solar water heaters and other projects from Enterprise Works Viter, this group works internationally to fight poverty.The website is enterprise works.world.
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作者: tongtong011    时间: 2011-4-25 20:36     标题: [Homework]SENEWS-2011-04-25

this is voa special english technology report。
    solar water heaters are used around the world and are not very difficut to build. the system we are going to describe is based on the design developped some years ago in afghanistan. since then, it has been built and used in many countries . it can heat 70 liters of water to 60 degrees celsius. it can do this between sunrise and noon on the clear day with an averge air tempreture of 32 degrees celsius.there are two parts of the solar water heater. one part is  made of a sheet of metal painted black,black surface sbecome hotters in the sun than the surfaces painted anyother color. this black metal plate is called a collector. the collector is playing contact   with water.there are serval kinds of sheets that can be used for the collector.corrugated metal will work very well.corrugated sheets are often used as rooves on housing.once the water is heated,it is  cut with insolation material, this allows the water to stay warm for a long time.the second part of the solar water heater, holds the water for the system.this storage tank can be a container that holds about 100 liters.two rubber pipes are retouch to the water storage tank.one pipe lets water flow into the system, the other lets water flow out.when the water heater is working correctly,water will flow from the storage tank to the collector and back again.you can use the hot water at the top of tank for washing and cleaning.you can change the flow of water so that the tempreture is hot or warm as desired.this solar water heater is easy to build and operate, it will last about two years before the rubber pipes need to be replaced.there is also something else you will need to make the solar water heater work, the sun. as you might imagine the heater will heat water only on sunny days.
    you can get more inforation about solar water heaters and other project from inter world wide . this group works internationally to fight poverty.the website is interpriceworks.com. choose the link for news and resources  then play on publications.and that is the voa special english technology report.
tell us if you have ever built solar water heater or have ideas for improvements, post your comment at voaspecialenglish.com,where you can also find transcripts, mp3 and p of our programs, we also offer english teaching activities in the classroom section in our side

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作者: kmoving    时间: 2011-4-25 20:38     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.Solar water heaters are used wrong the world,and not very difficult to billed.The system we'll go into describe is based on a design developed some years ago in the **.Since then it has been built and used in many countries.It can heat 70 litres of water to 60 degrees celsius.It can do this between sunrise and noon on the clear day with unaverage air tempreture of 32 degrees celsius.There are 2 parts of the solar water heater.


One part is made of a shield of metal pent the black.Black services become hotter in the sun ,then surfaces ** in the other color.This black metal plate is called a**.The ** is placed in context with the water.There are several kinds of metal shields that can be used for the ***.Corrugated metal will work very well.Corrugated sheets are offen used as roups on the healthy.Once the water is heated,it is capped hard with ** material.This alongs the water did stay warm for a long time.


The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 litres.Two rubber pipes are retouched to the water srorage tank.One pipe lets water flow into the system,the other lets water flow out.When the water heater is working correctly,water were flow from the storage tank to the ** and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as desired.This solar water heater is easy to build and operate.It will last about two years before the rubber pipes need to be replaced.


There was also something else you will need make the solar water heater work,the sun.As you might imagine the heater will heat water only on sunny days.You can get more information about solar water heaters and other projects from enterprise works weather.This group works internationally to find property.The webside is interprizeworks.**.Choose the link for a news and resources,then click on publications.


And that's the VOA Special English Technology Report.Tell us if you ever built the solar water heater,or have ideas for improvements,post your comments at voaspecialenglish.com,where you can also find transcripts,MP3 and ** of our programs.We also offer English teaching activities in the classroom section all above set.I'm S.




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作者: jordan1458    时间: 2011-4-25 21:13     标题: [Homework]SENEWS-2011-04-25

This is the voa special english teconlogy report.
# water # are used around the world and are notvery difficult to #.The system we are going to # is based on the design developsome years ago in Afghan .Since then ,it has been build and used in manycountries.It can heat # of water to sixty degrees # it can do this betweensunrise and # on the clean day with # temperature of thirty-two degrees #.Thereare two parties of the # water #.One part is made of # of metal painted black.Black # become # in the sun then # painted in the other color.This black matelis called A.The C is B in # with the water.There are server kinds of matel #that can be used for the collect.# matel will work very well ,C are often usedas groups on housing.Once the water is heated,it is kept heart with # material.This alouse the water to see warm for a long time.The second part of the #water heater holds the water for the system.This stories tank can be acontainer that holds about one hundred #.Two # to the water story tank ,one #let's water # into the system ,the other let's water # out.When the waterheater is working # , water will # from the story tank to the collector andback again.You can use the hot water at the top of the tank for washing andcleaning.You can change the # of water so that the temperature is hot # as design.Thissoler water heater is easy to build and operate. It # last about two yearsbefore the # need to be placed.There is also some else you will need to make the soler water heater work.The sun,as you might image the heater will # water only on sunny days.You can get moreinformation about soler water heaters and other project from interprice works#.This group wokds internationly to fight #.The webside is interprice works#.Choice the link for news and # then # on publications.

And that's the voa special english tecnologyreport.Tell us if you ever build the soler water heater or have ideas forinprovements,# your comments at voa specialenglish.com.When you can also find#  and partgets of our programs.We alsooffered english teaching activities in the classroom # of our sight.
                                                   
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作者: cuiping1004    时间: 2011-4-25 21:22     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English technology report.
Solar water heaters are used all around the world and not difficult to build. The system we are going to describe is base on the design develop on some **of Afghanistan, since then it has been build and used in many countries. It can heat the liters to 65 degree sellses. It can do this between sunrise and noon on a clear day with the average air temperature of 32 degrees. There are two parts of the solar water heating. One part is made of a shaped metal painted black. Black services become hotter in the sun and services painted in the other color. This black metal pleit is called a collector. The collector is place in contact with the water. There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated cheats are often used as roofs on housing. Once the water is heated, It is keep hot with insulation material allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes there are tacked working for the water storage tank. One pipe lets water to flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as designed. This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There is something else remains for the solar water system to work-the sun. As you might imagine, the heater will heat water only on sunny days. You can get more information about solar water heaters and other project from enterprise works vita. This group works internationally to find property. The website is enterpriseworks.com. Choose the link for news and resources, then click on publications.
And that‘s the VOA special English technology report. Tell us if you ever built the solar water heater and have ideas for improvements. Post your comments at VOASpecialEnglish.com, where you can also find transcripts, mp3s and hard cast about our progress. We also offer English teaching activities in the classroom caption of our sets. I’m Steven.


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作者: phy-teacher    时间: 2011-4-25 21:26     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to build.
The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and used in many countries. It can heat seventy litres of water to sixty degrees Celsius, it can do this between sun rise and noon on a clear day with average temperature of thirty two degree Celsius.
There are two parts of solar water heater, one part is made of sheet metal painted black, black surfaces become hotter in the sun than surfaces painted anyother colour. This black metal plate is called a collector, the collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector, corrugated metal will work very well, corrugated sheets are often used as roofs on housing.  Once the water is heated, it is kept hot with insulation material, this allows the water to stay warm for a long time.
The second part of solar water heater holds the water for the system, this storage tank can be a container that holds about one hundred liters. Two rubber pipes are attach to the water storage tank, one pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning, you can change the flow of water, so that temperature is hot or warm as desired.
This solar water heater is easy to build and operate. It relax about two years before the rubber pipes need to be replaced.
There will results something else you were need to make the solar water heater work, the sun. As you might imagine, the heater will heat water only on sunny day.
You can get nore information about solar water heaters and other project from Enterpriseworks VITA, this group works internationally to fight poverty, the Website is enterpriseworks.org. Choose the link for news and resources then click on publications.
And that's the VOA Special English Technology Report, tell us if you ever built solar water heater or have ideas for improvements, post your comments at voaspecialenglish.com, where you can also find transcript, MP3s and podcast of our programs, we also offer english teaching activities in the classroom section of our site, I am Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: oppo800    时间: 2011-4-25 21:27

this is the voa special english technology report. solar water heaters are used around the world and are not very difficult to build. the system we are going to describe is based on a design developed a few years ago in afghanistan. since then, it has been built and used in many countries. it can heat 70 meters of water to 60 degrees celsius. it can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius. there are two parts to the solar water heater. one part is made of a sheet of metal painted black. black services become the potter in the sun and services painted in any other color. this black metal part is called a collector. the collector is placed in contact with the water. there are several kinds of metal can be used for the collector. corrugated metal will work very well. corrugated sheets are often used as roofs on the housing. once the water is heated, it's kept apart with insulation material. this allows the water to stay warm all the time. the second part of solar water heater holds the water for the system. this storage tank can be a container that holds about 100 meters. two rubber pipes are attached to the water storage tank. one pipe lets water flow into the system; the other lets water flow out. when the water heater is working correctly, water will flow from the storage tank to the collector and back again. you can use the hot water at the top of the tank for washing and cleaning. you can change the flow of water so that the temperature is hot or warm as desired. this solar water heater is easy to build and operate. it will last about two years before the rubber pipes need to be replaced. there is also something else you will need to make the solar water heater work--the sun. as you might imagine, the heater will heat water only on sunny days. you can get more information about solar water heaters and other projects from enterprises works provider. this group works internationally to fight poverty. the website is enterprisesworks.com. choose the link for news and resources, then click on publications. and that's the voa special english technology report. tell us if you ever build the solar water heater, or have ideas for improvements. post your comments at voaspecialenglish.com, where you can also find transcripts, mp3s and podcast of our programmes. we also offer english teaching activities in the classroom section of our website. i'm steve vemble.
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作者: 张上1990    时间: 2011-4-25 21:34     标题: [Homework]SENEWS-2011-04-25

solar  water heaters are used around the world ,and are not difficult to build.the system we are going to describe is based on the designed developed some years ago in  afganistan       ,since then it has been built and used in many countries ,it can heat 70 liters of water to 60 degrees celsius ,it can do this between sunrise and noon on a clear day with an average temperature of 32 degrees celsius, there two parts ofthe  solar water heater,one part is made of a sheet of metal painted black.black surfaces become hotter in the sun than surfaces painted any other color,this black metal plate is called a collector.the collector is placed in contact with the water,there are several kinds of  metal sheets that can be used for the collector, corrugated        metal will work very well, corrugated sheets are ofened used on as roofs on housing,once the water is heated it is kept hot with  in solation material.this allows the water to stay warm for a long time ,the second part of the solar water heater       holds the water for the system,this  strage tank can be a container that holds about 100 liters ,two rubber pipes are attached to the water storage tank ,one pipe lets water flow  into the system,the other lets the water flow out,when the water heater is working correctly,water will flow from the storage tank to the collector   and back again,you can use the hot water at the top of the tank for washing and cleaning,you can change the flow of water so that the temperature is hot or warm as designed ,this solar water heater is easy to build and operate.it will last about 2 years before the rubber pipes need to be replaced.there is also something else you will need to make the solar water heater work the sun,as you  might imagine,the heater will heat water only on sunny days,you can get more information about solar water heaters and other project from enterprise works  ,this group works internationally to fight poverty ,the website is enterprise work.org,choose the link for news and resources than click on pubilications

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: piyamei    时间: 2011-4-25 21:40     标题: [Homework]SENEWS-2011-04-25

This is the VOA technology report, solar water heaters are used around the world and are not very difficult to build, the system we are going to describe is based on the design developed some years ago in Afghanistan, since then, it has been built and used in many countries, it can heat 70 litters of water to 60 degrees South East, it can do this between sunrise and noon on a clear day with an average air temperature of 72 degrees South East. There are two parts of a sloar water heater, one part is made of a sheet of matter painted black, black surfaces become hotter in the sun than surfaces in the other color, this blace metal plate is called a collective, the collective in placed in contact with the water, there are several times of metal sheets that can be used for the collective, common heated matter were worked very well, corregated sheets were often used as woops on housing. Once the water is heated, it is kept hot with insolution material. This allows the water to stay warm for a long time, the second part of solar water heater holds the water for the system, this storage tank can be a container that holds about 100 litters. Two rubber pipes are attached to the water storage tank, one pipe lets water flow into the system, the other lets water flow out, when the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning, you can change the flow of water so that the temperatue is hot or warm as designed, this solar water heater is easy to build and operate, it will last about two years before the rubber pipes need to be replace. The results of something else you will need to make the solar water work, the sun, as you might image, the heater will heat water only on sunny days. You can get more information about solar water heaters and ** project from Enterprise Worker Vital,the group works internationaly to fight poverty, the website is enterpriseworks.org, choose the Linc for news and resources then click on publications. And that's the VOA Special English Technology Report, tell us if you could ever built the solar water heater or have ideas for improvements, post your comments at voaspecialenglish.com, where you can find transcripts, MP3s, and pub guest about our programmes, we also offer English teaching activities in the classroom section of our sites,I'm Steve Ember!
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: xtia    时间: 2011-4-25 22:03     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on the design developed some years ago in Afghanistan. Since then it has been built and used in many counties. It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees Celsius. There are two parts of the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other color. This black metal plate is called a collector, the collector is placed in contact with the water. They are several kinds of metal sheet that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insulation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two wrapper pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.
This solar water heater is easy to build and operate, it will last about two years before wrapper pipes need to be replaced. There is also something else you will need to make the solar water heater work the sun as you might imagine the heater will heat water only on sunny days.  You can get more information about solar water heaters and other projects from enterprise works VITA. This group works international to fight poverty. The website is enterpriseworks.org. Choose the link for News and Resources and then click on Publications.  

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: lj529000331    时间: 2011-4-25 22:06     标题: [Homework]SENEWS-2011-04-25

This is VOA special English technology report
Solar water heaters are used around the world and are not very difficult to build.The systerm we are going to describe is based on the design devolop some years ago in Afi.Since then it has been built and used in many countries.It can heat 70 litters of water to 60 degrees celsius.It can do this between sunraise and noon on the clear day with an average air temperature of 32 degree celsius.There two parts of solar water heater.One part is made up a sheet of metal painted black.Black surfaces become hotter in the sun than surface painted in the other colour.This black metal played is called a collecter.The collecter is placed in contact with the water.There are several kinds of metal sheets that can be used for the collecter.C metal will work very well.C sheets are often used as roops on the housing.Once the water is heated,it is capter hot with insolation meterial.This allows the water to stay warm for a long time.The second part of water heater holds the water for the systerm.This storage tank can be a container that hold about one hundred litters.Two robber picks are retarched to water storage tank.One tipe lets water flow into the systerm,the other lets water flow out.When the water heater is working correctly,water will flow from the storage tank to the collecter and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as design.This solar water heater is easy to bear and operate.Last about two years before the robber picks need to be replace.The results something you will need to make the solar water heater work.The sun,as you might imagine,the heater will heat work only on sunny days.You can get more information about solar water heaters and other projects from enterprise works fighter.This group works internationally to fight poverty.The wabsite is enterpraiseworks.oct.Choose the link for a news and resources then flick on publications.And that is the VOA special English technology report.

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作者: Exia_js    时间: 2011-4-25 22:20     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report.
Solar heater water are used around the world.And not difficult to build.The system we are going decribe is based on the design developed some years ago in Afganistan since then it has been built and used in many countries.It can heat 70 liters to 60 degree celsius.It can do this between sunrise and noon on the clear day with average air tempreture of 32 degree celsius.
There are 2 parts to the solar water heater,one part is made of a sheet of meatal painted black.Black surfaces become hotter in the sun then surfaces painted in other color.Black meatal plate is called a collector.The collector is place in the contect with the water,there are several kinds of meatal sheet that can be used for the collector.Corrugated meatal will work very well.Corrugated sheet are often used as roofs on housing.Once the water is heated it is kept hot with ??? material.This allowes the water to stay warm ot for a long time.The secound part of the solar water heater holds the water for system.This storage tank can be a container that holds 100 liters.Two rubber pipes are retached to the storage tank.One pipe let the water flow into the system,the other let the water flow out.When the water heater is working correctly water will flow from the storge tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the tempreture is hot or warm as desire. This solar water heater is easy to build and operate.It will last 2 year before the rubber pipes need to be placed.There were also something else you will need to make the solar water heater work.The sun as you might imagine the heater will heat water only in sunny day.You can get more information about solar water heaters at other project from enterprise works ???.This group works internationally to fight poverty.The website is enterprisewoks.org.Choose the links for news and resouce then click the publication.
And that`s the VOA special English technology report.

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作者: liyifan1019    时间: 2011-4-25 22:31     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.Soler water heaters are used around the world and are not very difficult to build. The system will go in to describe it is based on the design developed some years ago in the Afganistan. Since then it has been built and used in many countries. It can heat seventy liters of water to sixty degrees celsius. It can do this between sunrise and noon on the clear day with an average air temperature of thirty-two degrees celsius.
There are two parts of soler water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other colors. This black metal played is called a collector.
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作者: nicaimonai    时间: 2011-4-25 22:39     标题: [Homework]SENEWS-2011-04-25

BBC news with Johnsen IzardThousands of anti-government protesters in Yemeni capital Sana say they don't trust president .... to keep his promise to step down,Mr. ...agreed on Saturday to hand over his power to his deputy with in 30 days.But the protesters say he must go immediately.Earlier the president told the BBC that...had ...the opposition。From Sana ...reports.
The opposition denied the president's allegation.Young ...had been camping out the country's capital demanding...change for months.They all not to accept any deal the president they distrust and all demanding he is immediate departure.Young Yemeni activists say they are already planing to increase the number of demonstrations.It doesn't look as if Yemeni's political crisis will end soon.Reports from...say security forces have once again open fire on demonstrators killing at least one person in the northwest ...town of.....preventing international journalists from entry the country ...reports from neighboring...
The latest video....shows continuing violence but with fewer people on the streets and sometimes there are armed men in ...clothing,sometimes walking along side uniform security personal.Today's violence follows the detention of people across....suspected organizing the protests.The official news agency has also been given ...of what's been happening.It says 5 security personnel were killed by armed criminal guns and 38 policemen injured in Saturday's violence.There are reports for the fighting in the ..city...which is being under the.....A British news paper journalist in the city told the BBC he had heard ...and automatic gun fire during the day.He said it appeared that rebel forces has taken over three of the four locations...been holding inside the city. A Libyan rebel leaders says...has promised to give the rebels 180 million dollars in aid as they continue their fight against ....forces.Peter Bell has more.
....stop the short of the officially recognizing Libya's opposition,but this is a major financial contribution.The head of the transitional national council ...said the money was needed in part to pay salaries in eastern Libya.
The opposition has been trying to get access to foreign exchanges since the uprising began in February.Last week the US... John Merking visited ...gold ...frozen...to abroad to be released to the opposition.The human rights ...says more than 500 people died following the presidential ...earlier this month.The civil rights congress said the violence happened mostly in....in the north of the country and the number of victims could be even higher.
World news from the BBC
The former Egyptian president...has been transferred to a prison hospital in Cairo after the doctor declared him well enough to travel.The order came from Egypt's public prosecutor from Cairo,here is Johnsen head.For the past two weeks...has been concealed in a private hospital wing in...hoping to avoid to deface his two sons....The public prosecutor said the former president is not fit enough to be transferred to..prisoning Cairo where his sons'being held.Then Mr....will face questioning of allegation of corruption including charges that his government supplied gas to Israel at below market prices.He will also be questioned about his role in ordering the violence response to anti-government protests this year in which more than 800 people died.
French official has thought to downplay reports that Paris has considering this suspension the ..agreement which....controls between participating European Union countries.A special advisor to president Sarkosy said what France was looking for was the revision of certain parts of the treaty and stress that even that could take place only as part of the...deal.France has accused Italy of abusing the...by ....granting temporary visas to North-African migrants surviving on the Italian island of...
The crown price ...has informed the British royal family that he won't attend the wedding of Price William and Kate ....this week because of ongoing is on rest...Peter Hunt has more....crown prince clear hoped things would quiet and down in his back yard.They haven't .this would be ongoing security calm down and doctors have been arrested.Despite this,only yesterday the crown prince was definitely coming to the wedding.24 hours later and after who knows what sort of diplomatic pressure which might have been the applied behind the scenes, Prince....with deeper regret now pulled out to Friday celebrations...... clearly not over shadow the occasions.
BBC world service news


                                                   
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作者: lacare    时间: 2011-4-25 22:43     标题: [Homework]SENEWS-2011-04-25

Solar water heaters are used around the world, and are not very difficult to built. The system we are going to describe is based the design developed in Afghanistan. Since then it has been built and used in many countries.

It can heat 70 liters water to 60 Degrees Celsius. It can do this between sunrise and noon on the clear day with an average air temperature of 62 Degrees Celsius.

There are two parts of the solar water heater. One part is made of sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted the other color. Black metal plate is called a collector. The collector is placed in the contact with the water. There are several kinds of metal sheets that can be used for the collector. Congregated metal will work very well. Congregated sheets are often used as roofs on the housing. Once the water is heated, it is cut to hot with isolation material. This allows the water dose stay warm for a long time.

The second part of the solar water heater holds water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are attach to water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again.

You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.

This solar water heater is easy to build and operate. It will last for two year before the rubber pipes need to bu replaced. There is also something else you will need to make the solar water heater work ,the sun. As you might imagine the heater will heat water only on sunny days.

You can get more information about solar water heaters and other project from enterprise works website. This group works internationally to fight poverty. The website is enterprise works.org. Choose the link for news and resources,then all they done publications.


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作者: phoenixsusy    时间: 2011-4-25 22:45     标题: [Homework]SENEWS-2011-04-25

This is the voa special english technology report.
Solar water heaters are used around the world and not very difficult to build.The systerm we are goning to describe is based on the theory developed some years ago in Afcanstan.Since then it can be built and use in many countries.It can heat seventy liters of water to sixty degree celsuis .It can do this between sunrise and noon one a clear day with an everage air  temputure of thirty two degree celsius. there is two parts of the solay souser heater,one part is made of a shed of metal painted black, black surfaces became hotter in the sun than the surfaces painted in the other colour.This black metal plate is called collector.The collacter is placed in contact with the water, there are several kinds of metal sheds can used for the collector.Corrugated metal can work very well,corrugated sheds are often used as roofs on the housing.Once the water is heated, it is kept hot  with insolation material.This allows the water to stay warm for a long time.A second part of the aolar soucer water heater holds the water for the system.This storage tank can be a container that can holds about one hundred  liters.Two rubber pipes are attached to the water storage tank.One pipe let teh water flow into the system, the other let the water flow out.When the water heater is working correctly, water would flow from the waterstorage tank to the collector and back again,you can use the hot water at the top of the tank for washing and cleaning,you can change the flow of the water so that the tempeture can change hot or warm as desired.This solar soucer heater is easy to build and operate,it will last about two years before the rubber pipes need to be replaced.There is also something you need to make the solar water heater work, the sun,as you might imagen, The heater can only heat water on sunny day.You can get motre informations about SWH and other projects from interprise works witer,this group work internationally to flat property, the website is interprise.work .Choose the link for resources and then flick on publications. And that;s the voa special English.

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作者: AGAINMENGNIU    时间: 2011-4-25 23:08     标题: [Homework]SENEWS-2011-04-25

solar eater waters are used around the world and are not very difficult to build. the systerm we are going to discribe is based on the design develop in afghanistan. scien then it has been build and uesed in many counties.it can hit seventy litters of water to sixty degrees sauces. it can do this between sunrise and noon on the clear day with an average air temperature of thirty two degrees sauces.
there are two parts of the solar water heating. one part is made of a sheet of matal painted black. black services become hotter in the sun than the services painted in the other colour. this black metal palte is called a collector. the collector is palced in the contect with the water. there are several kinds of metal sheets that can be used for the collector. coonated metal will work very well.  are often used as oops on housing. once the water is heated, it is capted hard with insulation material. this allows the water to stay warm for a long time. the second prat of the solar water heater holds the water forthe systerm. this storage tack can be a container that holds about one hundreds litters. two rubber pipes are to the water storage tack. one pipe leads water flow into the systerm, the other leads water flow out. when the water heating is working correctly, water will flow out of storage tack to the collecter and back again.
you can use the hot water at the top of the tack for washing and cleaning. you can change the flow of the water so that the temperature is hot or warm as desired.
this solar water heater is easy to repaired and orperate. it will lats about two years befor the rubber pipes need to be replaced. they resouces something else you will need to make the solar water heater work. the sun, as you might imgine, heater will teat water only on sundays. you can get more information about soalr water heaters and other project from enterprise works viter. this groups work internationally to fight porverty. the website is enterprise works .org. choose the link for the news and resources when click on publications.









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作者: 冷笑_0    时间: 2011-4-25 23:10     标题: [Homework]SENEWS-2011-04-25

solar water heaters are used around the world and are not very difficult to build.The system we are going to describe is based on the design developed some years ago in Afghanistan.Since then it has been built and used in many countries.It can heat 70 liters water to 60 degrees Celsius.it can do this between sunrise and noon on the clear day with an average air temperature of 32 degrees Celsius. there are two parts of the solar water heater. one part is made of a sheet metal painted black.black surfaces become hotter in the sun,then surfaces painted in another color.this black played is called a collector.the collector is placed in contact with the water.there are several kinds of metal sheets that can be used for the collector.corrugated metal will work very well.corrugated sheets are often used as roofs on the housing.once the water is heated,it is kept hot with insolation material.this allows the water to stay warm for a long time. the second part of the solar water heater holds the water for the system. this storage tank can been a container that holds about 100 liters. two wrapper pips are attach to the water storage tank.one pip lets water flow into the system.the other lets water flow out.when the water heater is working correctly,water will flow from the storage to the collector and back again. you can used the hot water at top of the tank for washing and cleaning,you can change the flow of water so that the temperature is hot or warm as desired.this solar water heater is easy to build adn operate.it will last about two years before wrapped pips need to be replaced.there are also something else you will need to made the solar water heater work,the sun,as you might image, the heater will heat water only on sunny day.you can get more information about solar water heaters and other project from enterprise works **.this group works internationally to fight poverty.web site is enterpriseworks.org.choose the link for news and resources the click on the publication.
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作者: xiang4032    时间: 2011-4-25 23:12     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report.Solar water healters are used around word and not very difficult to bulit. The system we are going to dicribe is based on the design developed some years ago in A. Since then it has been built and used in many countries.  It can heat 70 litres of water to 60 degrees celsius. It can do this between sunrise and noon on clear day with average air temputure of 32 degrees celsius . There are two parts of the solar water heater. One part is made of sheet metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color. This black metal plat is called a collector.  The plat is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. Contergrated metal will work well. Contergrated sheets are often used as roofs on housing.  Once the water is heated it is capped hard with insolation material. This allows water stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 litres. Two rubber pips are attached to the water storage tank. One pipe lets the water to flow into the system. The other lets the water flow out. When the water heater is working correctly water fwill flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and clearning. You can change the flow of water so that the temputure is hot or warm as desired. This sola water heater is easy to built and opporate. It would last about two years befor the rubber pipes need to be replaced. There are resourses somethingelse you will need to make the solar water heater heat work, the sun. And you might imagine the heater will heat water only on sunny days. You can get more information about solar water heaters and other project from enterprise works  V. .This group works internationally to fight poverty. The website is enterprise works dot og. Choose the link for news and resourses then clik on publications. This is VOA special English technology report. Tell us if you've ever built the sola water heater or have ideas for improvments. Post your comments at VAO special English dot com. You can found trascripts, MP3 and podcasts of our programes. We also offer English teaching activities in the classroom section of pur site.

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作者: lpmc4    时间: 2011-4-25 23:19     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English technology report.
Solar water heaters are used around the world and are not very difficult to build. The system we are gonna descripe is based on the design developed several years ago in AS. Since then, it has been builded and used in many countries. It can heat 70 liters of water to 60. It can do this between sunrise and noon on a clear day with an average air temperture of 32. There are two parts of this solar water heater. One part is made of a sheet of metal painted black. Black services become hotter in the sun than services painted in other colors. This black metal plate is called a collector. The collector is palced as a connector in the water. There are several kinds of metal sheets can be used as the collector. C metal will work very well. C sheets are often used as roofs on a  housing. Once the water is heated, it is captived hot with insulation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. The storage tank can be a container that hold about 100 liters. Two rubber tags conect to the water storage tank. One pad let water flow into the system. The other let water flows out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water, so that the temperature is hot or warm as desired. This solar water heater is easy to build and upgrade. It will last two years before the rubber pader needs to be replaced. There will also something else you need to build the solar water heater work. The sun, as you might imagine, the heater heat water only works on sunny days. You can get more information about solar water heaters and other projects on . This group work internationally to fight poverty. The website is internationalwrok.com .Then choose link on the news and researches and then click on the publications.
And that is the VOA Special English technology report. Tell us you if you have built solar heater waters or you have ideas for improvement. Post your comments at voaspecialenglish.com, where you can also find translations MP3 and about our programs.We also offer english teaching activity on classroom section on our website.

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作者: melissa512    时间: 2011-4-25 23:22

本帖最后由 melissa512 于 2011-4-26 12:22 编辑

HW

This is the VOA Special English Technology report.

Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then it has been built and used in many countries.

It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees celsius. There are two parts of solar water heaters.

One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color. This black metal plate is called a collector. The collector is placed in contact with the water.

There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roofs on housing. Once the water is heated, it is kept hot with insolation material. This allows the water to stay warm for a long time.

The second part of solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out.

When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired.

This solar water heater is easy to build and operate. It will last about two years before the rubber pipes need to be replaced. There's also something else you will need to make the solar water heater work--the sun. As you might imagine the heater will heat water only on sunny days.

You can get more information about solar water heaters and other projects from EnterpriseWorks/VITA. This group works internationally to fight proverty. The website is enterpriseworks. org. Choose the link for news and resources then click on publication.

And that's the VOA Special English technology report. Tell us if you ever build the solar water heater or have ideas for improvements. Post your comments at voaspecialenglish.com where you can also find transcripts, MP3s and podcasts of our programs . We also offer english teaching activities in the classroom section of our site. I'm Steve Ember.
作者: lipeng_seu    时间: 2011-4-25 23:29     标题: [Homework]SENEWS-2011-04-25

This is the VOA Special English Technology Report.                                                   
Solar water heaters are used around the world ,and are not very difficult to build. The system will going to describe is based on a design developed some years agao, in Afganstan. Since then ,it has been built and used in many countries. It can heat seventy liters of water to sixty degrees celsice. It can do this between sunrise and noon on a clear day with average air temperature of thirty-two degree celsice. There are two parts of the solar water heater.One part is made a sheet of metal paint black. Blacks surface become hotter in the sun than surface painted in the other color. This  black metal plaint  is called a collector. The collector is placed in context with the water. There several kinds of metal sheets that can be used for the collector. Corregated metal will work very well.Corregated sheets are often used as roofs on housing.Once the water is heated ,it is captured hot with insolation meterial. This allows the water to stay warm for a long time. The second parts of the solar water heater holds  the water for the system. This storage tank can be a container that holds about one hundred liters. Two ruber pipes are retach to the water storage tank. One pipe let water flow into the system,the other lets water flow out. When the water heater is working correctly ,water were flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can  change the flow of the water so that the temperature is  hot       warm  as designed.This solar water heater is easy to build and operate. It was last about two years before the ruber pipes lead to be replaced. There is also something else you were need to make the solar water heater work the sun   .as you might image ,the heater will heat water only  on sunny days. You can get more information about solar water heaters and  W project from enterprise work /viter. This group works internationally to find poverty . The website is enterprisework.org. Choose the link for news and resers then  on publications.
And that's the voa special english technology report, tell us if you have ever built solar water heater or have ideas for improvements post your comments at voaspecialenglish.com, where you can also find transcript mp3s and part of our programs. we also offering  English teaching activities in the classroom section about  I'm Steve Ember.

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作者: tony115    时间: 2011-4-25 23:31     标题: [Homework]SENEWS-2011-04-25

This the VOA Special English Technology Report.
Solar water heaters are used around world and are not very difficult to build. The system we are going to describe is based on a design developed some years ago in Afghanistan. Since then, it has been built and use in many countries.
It can heat 70 litres of water to 60 degrees  Celsius. It can do this between sunrise and noon on the clear day with an average air temperature of 32 degrees Celsius.
There are two parts of the solar water heater. One part is made of a sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted any other color.
This black metal plate is called a collector. The collector is placed in contact with the water. There are sevral kinds of metals sheets that can be used for the collector.

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作者: liuhongyijia    时间: 2011-4-25 23:52     标题: [Homework]SENEWS-2011-04-25

Solar water are used all over the world and not very different to bulid. The system we are going to discrible are based on the design some years ago in Afghainistan. Scince then it has been built and used in many countries. It can hit 70 meters of water to 60 degrees souces. It can do this between sun rise and noon on a clear day with an everage tempreture 32 degrees souces. There two part of the solar scouces. One part is made of the shedow of matto painted black. Black  become harder in the sun then the surface painted the other color. Black metto pait
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作者: muselier    时间: 2011-4-26 00:40

Homework, SENEWS, 4.25.2011
This is the VOA Special Enlish Technology Report.
Solar water heaters are used around the world and are not very difficult to do.
The system we are going to describe is based on the design developed some years ago in Afganistan.
Since then, it has been built and used in many countries.
It can heat 70 liters of water to 60 degrees sources.
It can do this between sunrise and noon on the clear day with an average air temperature of 32 degrees sources.
There are two parts of the solar water heating.
One part is made of sheet metal painted black.
Black surfaces they can hoter in the sun than surfaces painted in the other colour.
This black metal plate is called a collective.The collective is place in connect with the water. There are several kinds of metal sheets that can be used for the collective.
Coregated metal will work very well. Coregated sheets are also used as rooves on the housing. Once the water is heating, it is kept hot with insolation material. This allows the water to stay warm for a long time.
The second part of the solar water heating holds the water all the system. This storage tank can be a container that holds about 100 liters. Two robber pipes are attached to the water storage tank. One pipe lets water flow into the system, the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collective and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of  water, so that the temperature is hot more warm as design.
This is solar water heater is easier to build and operate. It will last about 2 years before the robber pipes need to be replace. There was also sth else you will need, to make the solar water heater work -- the sun, as you might imagining, the heater will heat water only on sunny days. You can get more imformation about solar water heaters and that of projects from Enterprise Works Lighter. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the links for news and resources then click on publications.
And that's the VOA Special English Technology Report. Tell us if you ever build the solar water heater or have ideas for improvements. Post you come ins at voaspecialenglish.com. While you can also transcripts, MP3s and podcasts of our programmes. We also offer English teaching activities in the classroom section of our site. I am Steve Ember.
作者: phymin    时间: 2011-4-26 05:04     标题: [Homework]SENEWS-2011-04-25

Homework
This is the VOA Special English technology report.

Solar water heaters are used around the world and are not very difficult to build.The system we are going to describe is based on a design developed some years ago in Afghanistan.Since then It has been built and used in many countries. It can heat 75 liters of water to 60 degree Celsius.
It can do this between sunrise and noon on a clear day with a average air temperature of 32 degree Celsius.There are two parts to the solar water heater.
One part is made of a sheet of metal painted black. Black surfaces they can hotter in the sun then surfaces painted in other color.This black metal plate is called a collector. The collector is placed in contact with water. There are several pans of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as loops on housing .Once the water is heated,it's kept hot with insulation material. This allow the water to stay warm for a long time.
The second part of the solar heater holds the water for the system.
This storage tank can be a container that holds about 100 liters.Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system.The other lets water flow out.When the water heater is working correctly.Water will flow from the storage tank to the collector and back again.you can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot or warm as desired. This solar water heater is easy to build and operate.
IT will last about 2 years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work.the sun, as you might imagine. the heater will heat water only in sunny days.You can get more information about solar water heaters and other projects from enterprise works Viters.
this group works internationally to fight poverty.
The webside is XX.
Choose the link for news and resources then click on publication
and That's the VOA Special English Technology Report.
Tell us if you ever build the solar water heater or have idea for improvement.
Post you comments at VOA Special English.com.
Or you can also find transcripts and mp3 and pub casts.
We also offer English Teaching activities in the classroom of our sites.
I am Seven Vember







This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 刀客特舞    时间: 2011-4-26 07:55     标题: [Homework]SENEWS-2011-04-25

homework
This is the VOA Special English Technology report.Solar water heaters are used around the world and are not very difficult to built.The system awe are going to describe is based on the design developed some years ago in the Africa Scan.Since then it has been built and used in many countries.It can heat 70 littres of water to 60 degrees **.It can do this between sunrise and noon on the clear day with average air temperature of 62 degrees **.
Their are too parts to the solar water heater.One part is made of the sheet of metal painted black.Black surfaces become hotter in the sun than surfaces painted any other courlor.This black metal plate is called a collector.The collector is placed in contact with the water.Their are sveral kinds of metal sheets that can be used for the collector.** metal will work very well.Coveragated sheets are often used as roofs on house.Once the water is heated,it is cant hot within serlation materal.This allows the water to stay warm for a long time.The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 littres.2 rubber pumps are retouch to water storage tech.1 pump let water flow into the system.The other lets water flow out.When the water heator is working correctly,water will flow from the storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change of the flow of water so that the temperature is hold were warmed as desired.This solar water heater is easy to built and operat.It release about 2 years before the rubber pumps need to be replaced.There is also something else you will need to make the solar water heater work ,the sun.As you maight imagin, the heater will heat water only on sunny days.
You can get more information about solar water heaters and other project from interprise works **.This group works internationally to fight property.The website is interpriseworks.org.Choose the link for news and resources then collect on pubilications.And thats the VOA Special English Technology report.Tell us,if you ever built the solar water heater or have ideas for improvements.Post your comments at voaspecialenglish.com,where you can also find transcripts,mp3s and portcasts about programs.We also offer english teaching activities in the classroom section of our site.Im Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: AGAINMENGNIU    时间: 2011-4-26 08:03     标题: [Homework]SENEWS-2011-04-25

solar waters heaters are used around the world and are not very difficult to build. the systerm we are going to discribe is based on the design developed some years ago in afghanistan.  scien then it has been build and uesed in many counties. it can heat seventy litters of water to sixty degrees sauces. it can do this between sunrise and noon on the clear day with an average air temperature of thirty two degrees sauces.
there are two parts of the solar water heating. one part is made of a sheet of matal painted black. black surfaces become hotter in the sun than the surfaces painted in the other colour. this black metal palte is called a collector. the collector is palced in the contenct with the water. there are several kinds of metal sheets that can be used for the collector. coorencated metal will work very well.  conrancated sheets are often used as oops on housing. once the water is heated, it is kept hot with insulation material. this allows the water to stay warm for a long time. the second prat of the solar water heater holds the water for the systerm.  this storage tack can be a container that holds about one hundreds litters. two rubber pipes are attached to the water storage tack. one pipe leads water flow into the systerm, the other leads water flow out. when the water heater is working correctly, water will flow out of storage tack to the collecter and back again.
you can use the hot water at the top of the tack for washing and cleaning. you can change the flow of the water so that the temperature is hot or warm as desired.
this solar water heater is easy to build and orperate. it will last about two years befor the rubber pipes need to be replaced. they resouces something else you will need to make the solar water heater work. the sun, as you might imgine, the heater will heat water only on sundays. you can get more information about soalr water heaters and other project from enterprise works viter. this groups work internationally to fight porverty. the website is enterprise works .org.  choose the link for the news and resources when click on publications.







This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 周孟勤    时间: 2011-4-26 08:23     标题: [Homework]SENEWS-2011-04-25

This is the VOA English Technology report.Solar water heaters are used around the world and enough difficulty to build.The system will be going to describe is based on the design developed years ago in the strength. Since then, it has been built and used in many countries.It can heat 70 litters of wwater to 60 degrees It can do this between sunrise and noon on a clear day with the average air temperature of 32 degrees.There are two parts ...of the solar water heating.One parrt is made of sheet of metal painted black.Black surfaces become harder in the sun.Then surfaces painted in the other color.This black medal plate is called a collector.The collector is placed in contact with the water.There are several times of medal sheets that can be used for the collector....medal will work very well.....sheets are often used as roofs on housing.Once the water is heated, it is kept hot with isolation material.This allows the water to stay warm for a long holds the water for the system.This storage tank can be a container that holds about 100 litters tank.Two rubber pipes are retached to the water storage.One pipe lets water flow into the system.The other lets water flow out.When the water heater is working collector and back again.You can use the hot water as a top of the tank for washing and cleaning.You can change the flow of water so that the temperature is hot all warm as designed.This solar water heater is easy to build and uprite.It will last 2 years before the rubber pipes need to be replaced.These is also something else you will lead to make the solar water heater work.The sun,as you might imagine,the heater will heat water only on sunny days.You can get more informations about solar water heaters and other projects from interprise work wilder.This group works internationally to fight ...the website interprise work.cn.Choose the link for news and ...then click on publications and that's the VOA English Technology Report.Tell us if you have even built the solar water heater or have ideas for improvement.Post your comments at VOA Special English.com.Will you can also find ...MP3s, and ...of our programs.We also offer English teaching activities in the classroom section..
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: badboyhr    时间: 2011-4-26 08:38

This is the VOA Special English Technology Report. Solar water heaters are used around the world, and are not very difficult to build. The system we are going to describe it is based on the design developed some years ago in Afghanistan. Since then it has been built and used in many countries. It can heat seventy litres of water to sixty degrees Celsius. It can do this between sunrise and noon on the clear day with an average air temperature of thirty-two degrees Celsius. There are two parts of the solar water heater. One part is made of sheet of metal painted black. Black surfaces become hotter in the sun than surfaces painted in the other colors. This black metal plate is called a collector. The collector is placed in contact with the water. There are several kinds of metal sheets that can be used for the collector. Corrugated metal will work very well. Corrugated sheets are often used as roof on housing. Once the water is heated, it is kept hot with isolation material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about one hundred litres. Two rubber pipes are attached to the water storage tank. One pipe lets water flow into the system; the other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as desired. This solar water heater is easy to build and operate. It will resist for two years before the rubber pipes need to be replaced. There will also something else you will need to make the solar water heater work, the sun. As what you might imaging the heater will heat water only on sunny days. You can get more information about soler water heaters and other projects from enterprise works viter. This group works internationally to fight poverty, the website is enterpriseworks. org. Choose the link for news and resources then click on publications.
And that's the VOA Special English Technology Report. Tell us if you ever build the soler water heater or have ideas for improvements. Post your comments at voaspecialenglish. com. You can also find transcripts, mp3s and podcasts of our programs. We also offer english teaching activities in the classroom section above our site. I'm Steve Ember.
作者: 刘楚楚_1721263    时间: 2011-4-26 08:57     标题: [Homework]SENEWS-2011-04-25

This is the VOA special English technology report.Solar water heaters are used around the world and are not very diffical to build.The system we are going to discribe is based on the disine developed some use ago in Afganstan.Since then it has been bulided and used in many conturies.It can heat 70 litres of water to 60 degrees celsius.It can do this between sunrise and noon on a clear day with an average air tempreture of 32 degrees celsius.There are two parts of the solar water heater,one part is made of a sheet of metal painted black;Black servers become hoter in the sun than servers painted in the other color,this black metal plate is called a collecter.The colleter is plays in contact with the water,there are several times of metal sheets that can be uesd for the collecter.Color gated metal will work very well.Color gated sheets are often used as roofs on the housing.Once the water is heated, it is kept hot with insulating material, this allows the water to stay warm for a long time.The second of the solar water heater holds the water for the system.This stroge tank can be a contaner that holds about 100 liters.Two rubber pipes are attach to the water storge tank,one pipe lets the water flow into the system,the other lets water flow out.When the water heater is working correctly, water will flow from the stroge tank to the collecter and back again.You can use water at the top of the tank for washing and cleaning.You can change the flow of water , so the tempreture is hot or warm as disired.This solar water heater is easy to build and operat.It will less about two years before the rubber pipes need to be replaced.There is also something else you will need to make the solar water heater work.The sun as you might imagin,the heater will heat water only on sunny days.You can get more information about solar water heaters and other project from enterprise works viter.This grope works internationally to fight poverty.The website is enterprice works doc orgs.Choose the link for news and resources then click on popublications.And that's the VOA special English tecnology report.Talers if you ever bulid solar water heater or have ideas for improvements,poases your commoms at VOA special English.com. or you can also find chanscripes,MP3s and popcats of our programs.We also offer English teaching activites in the classroom section of our site.I'm stepheber.
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: yjqingqingyuxin    时间: 2011-4-26 09:50     标题: [Homework]【整理】SENEWS-2011-04-25

This is the VOA Special English Technology Report.
Solar water heaters are used around the world and are not very difficult to bulid. The system we are going to describe is based on the design developed some years ago in Afghanistan. Since then, it has been bulit and used in many countries.
It can heat 70 liters of water to 60 degrees Celsius. It can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees Celsius.
There are two parts to the solar water heater. One part is made of a sheet of metal painted black. Black services become hotter in the sun. Then services painted in the other color. This black metal plate is called a collector. The collector is placed in contact with the water.
There are several kinds of metal sheets that can be used for the collector. C metal will work very well. C sheets are often used as roofs on the housing. Once the water is heated, it is kept hot with insolation material. This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system. This storage tank can be a container that holds about 100 liters. Two rubber pipes are retach to the water storage tank.
One pipe lets water flow into the system. The other lets water flow out. When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is  hot or warm as desired.
This solar water heater is easy to bulid and operate. It will last about two years before the rubber pipes need to be replaced.
There is also something else you will need to make the solar water heater work, the sun. As you might imagine the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from enterprise works vital. This group works internationally to fight poverty. The website is enterpriseworks.org. Choose the link for news and resourses, then click on publications.
And that's the VOA Special English Technology Report. Tell us if you ever bulit the solar water heater or have ideas for improvements. Post you commmets at voaspecialenglish.com where you can also find transcripts, MP3s and casts of our programs.
We also offer English teaching activities in the classroom section of our site.
I'm Steve Ember.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 露迪维尼    时间: 2011-4-26 10:00

Home work
Home work

This is the voa special english technology report

solar water heaters are used around the world and another very difficult to build the system we are going to design is based on the design developed some years ago in **** since then it has beed built and used in many countries it can heat seventy leaters of water to sixty degrees *** it can do this between sunrise and noon on a clear day with average air temperature of thirty to degrees ***

there are two parts of the solar water heater one part is made of ** materal painted black balck services become hot in the sun then services painted any other color this black metal plate is called a collector the collector is placed in contact with water there are several kinds of metal ** that can be used for the collect corrugate materal will work very well corrugate sheets are often used as roofs on houseing once the water is heated it is capped hot with isolation material this allows the water dislay warm for a long time

the second part the solar water heater holds the water for the system this storage tank can be a container that holds about one hundred litters two rubber pipes are attached the water storage tank one pipe lets water flow into the system the other lets water flow out when the water heater is working correctly water will flow from the storage tank to the collect and back again you can use the hot water at the top of the tank for washing and cleaning you can change the flow of water so that the temperature is hot more warm as desired this solar water herate is easy to built and operated it relax about two years before the rubber pipes need to be replaced that was also someting else  you will need to make the solar water heate work the sun as your might imagine the heate water only on sun days you can get more informations about solar water heates  and other projects from interplays works wite

this group works internationally to fight poverty the website is interprise works.org choose the link for news and ** then clic on the publications

and that is the voa special english technology report ** if you ever built solar water heate or have ideals for imporvement  post your comments at voa special english.com  or you can also find ** mp3 and broadcast of our programmes we also offer english teaching activities in the classroom section of our site  I am stevem meber
作者: goodnicewell    时间: 2011-4-26 11:57     标题: [Homework]【整理】SENEWS-2011-04-25

this is the VOA Special English Techonology Report,solar water heaters are used around the world and not very difficult to build,the system we are going to describe is based on the design developed some years ago in Afhanstan,since then,it has been built and used in many countries,it can heat 70 litters of water to 60 degrees s     ,it can do this between sunrise and noon on a clear day with an average air temperature of 32 degrees s   ,there are two parts of the solar water heaters,one part is made of a sheet of a metal painted black,black surfaces become hotter in the sun than surfaces painted in other colours,this black metal plate is called a collector,the collector is placed in contact with the water,there are several kinds of sheets metal that can be used for the collector,corrigated metal will work very well,corrigated sheets are often used as roofs on housing,once the water is heated,it is kept hot with inserlation material,this allows the water to stay warm for a long time,the second part of the solar water heater holds the water for the system,this storege tank can be a container that holds about one hundred litters, two rappered pipes are attached to the water's storege tank,one pipe let the water flow into the system,the other let the water flow out,when the water heater is working correctly,the water will flow from the storege tank to the collector and back again,you can use the hot water at the top of the tank for washing and cleaning,you can change the flow of water so that the temperature is hot or warm as you desire,this solar water heater is easily to build and operate,it will last about two years before the rapper pipes need to be replaced,there is also something else you need to make the solar water heater work,the sun,as you might imagine,the heater will heat the water only on sunny days,you can get more informations about solar water heaters and other projects from enterprise works viter,these groups works internationally to fight poverty,the website is enterpriseworks.org,choose the link for news and resources then click on publications,and that's the VOA Special English Technology report.tell us if you ever build a solar water heater or if have any ideas for improvement,put your comments at voaspecialenglish.com.
This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 天下Joanna    时间: 2011-4-26 13:36     标题: [Homework]【整理】SENEWS-2011-04-25

HOMEWORK
This is the VOA special English Technology Report.
Solar water heaters are used around the world and not very difficult to build.The system we are going to decribe his base on a design developed some years ago in A.Since then,it has been built and used in many countries.
It can heat 17 liters of water to 60 degrees celsius.It can do this between sunrise and noon on a clear day with average air temperature of 32 degree Celsius.There are two parts to solar water heating.One part is made of a sheet of mental painted black.Black services become hoter in the sun than services painted in the other color.
This black metal plate is called a collector.The collector is placed in contact with the water.There are several kinds of metal sheets that can be used for the collector. <> metal will work very well.<> sheets are often used as roofs on housing.
Once the water is heated,it is <> hot with insolation material.This allows the water to stay warm for a long time.
The second part of the solar water heater holds the water for the system.This storage tank can be a container that holds about 100 liters.Two <> are attached to the water storage tank.One pipe lets water flow into the system.The other lets water flow out.
When the water heater is working correctly,water will flow from storage tank to the collector and back again.You can use the hot water at the top of the tank for washing and cleaning.You can change the flow of water,so that temperature is hot or warm as designed.
This solar water heater is easy to build and operate.It will last about 2 years before the <> pipes need to be replaced.There is also something else you will lead to make the solar water heater work.The sun as you might imagine the heater will heat water only on sunny days.
You can get more information about solar water heaters and other projects from interprice<>.This group works internationally to fight powerty.The website is enterpriseworks.org.
Choose the link for news and resources then click on publications.

This post was generated by put listening repetition system,  Check the original dictation thread!
作者: 佐助1    时间: 2011-4-26 13:58     标题: [Homework]【整理】SENEWS-2011-04-25

Solar water heaters are use around the word and are not very difficult to build. The system we are going to described is based on the design develop some years ago in***. Since then it has been built and use in many countries. It can heat 70L of water to 60 degree . It can do this between some lights and noon on a clear day with an average air temperature of 32 degrees ***. They are two parts of the solar water heater. One part is made of a *** painted black. Black service become hotter in the sun that. Then surfaces painted in the other color. This black metal ``` is called a collector. The collector is place in contact with the water. There are several kinds of metal``` that can used for the collector. *** metal will work very well. *** are often used as roofs on housing. Once the water is heated it is *** with *** material. This allows the water to stay warm for a long time. The second part of the solar water heater holds the water for the system. This ***tank can be a container that holds about 100L. 2 rubber pipes are touched to the water story ***. 1 pipe lets water flow into the system. The other let water flow out. When the water heater is working collectively water will flow from the *** to the collector and back again. You can use the hot water at the top of the tank for washing and cleaning. You can change the flow of water so that the temperature is hot or warm as designed. This solar water heater is easy to built and operate. It will last about 2 years before the rubber pipes need to be replaced. That results something else you will need to know to make the solar heater water work the sun as you might imagine the heater will heat water only on sunny days. You can get more information about solar water heaters and other projects from inter praise works ***. This group work internationally to find property. The website is enterpraisework.```. Choose a link for  news and researchers then click on publications.  

This post was generated by put listening repetition system,  Check the original dictation thread!




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