What is the basic principle of refrigeration?

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Tags

1. #substance
2. #water
3. #basic
4. #cooling
5. #through
6. #principle
7. #refrigeration
8. #outside
9. #contact
10. #another
11. #refrigerant
12. #condenser
13. #transfers
14. #evaporator
15. #conduction
16. #particles
17. #medium