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[report整理] SENEWS-2011-04-25

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[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.









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

[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!
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