How does An airconditioner or refrigerator work

Subject: How does An airconditioner or refrigerator work

Date: Sun Nov 2 22:20:20 1997
Posted by Jennifer
Grade level: 7-9
School: St. Isidore Jr.High
City: B.R. State/Province: La.
Country: U.S.A
Area of science: Engineering
ID: 878530820.Eg

Message:

I need to better understand the artificial/man made cooling process by 
using refrigerant(s)  ie...How is the refrigerant moved/used in cycle 
in mechanical devices?

Re: How does An airconditioner or refrigerator work

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