Science Buddies: "Ask an Expert"

Gooddat
I am making a non working cut off model of absorption refrigerator.but i am unable to presume with it as i think i am not having the required information about what material should be used and how o make it really prize winning.So please help me to get out of this problem.Hope for your answer soon.

Thanking you

Hi,
Sounds like a very interesting project. How far have you gotten? Have you tried using a search engine like Google for additional information?