Cooling devices {refrigerator}| can remove heat from inside a box. Refrigerators use a gas, such as Freon, which easily liquefies with pressure. The liquefied gas in tubes inside box absorbs heat and expands. Machines {compressor, refrigerator} can compress hot gas back to liquid and send liquid through tubes outside box. A blower blows air over tubes to remove heat.
Practical Affairs>Machine>Kinds>Electromechanical>Cooling
7-Machine-Kinds-Electromechanical-Cooling
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Date Modified: 2022.0224