How can we perform refrigeration by using sunlight without using solar cell?

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quwer

  • May 26th, 2012
 

vapour absrption system

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shashank

  • Jul 11th, 2012
 

u can get to the reference to patent application number 1015/del/2011

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Eng Omar

  • Dec 8th, 2013
 

you can use ammonia vapor to cool water or air...it is used as desert refrigerator

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