Refrigerator - Wikipedia
2021-9-5 · A refrigerator (colloquially fridge) is a commercial and home appliance consisting of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from its inside to its external environment so that its inside is cooled to a temperature below the room temperature. The refrigerator should be kept at or below 40° F (4° C) and the freezer should be ...
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