refrigerator filled with food products isolated blue background

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A refrigerator filled with food products, isolated on a blue background. Royalty Free Stock Photo

Gallon of Milk on White Background Royalty Free Stock Photo

Refrigerator Full of Food Colorful in Flat Design Royalty Free Stock Photo

A refrigerator filled with food products, isolated on a blue background.

A refrigerator is a device that maintains a low temperature in an insulated chamber. It is usually used for storing food, medicines or items that need to be kept in a cool place or at sub-zero temperatures. In developed countries, almost every family has a domestic refrigerator. The operation of a refrigerator is based on the use of a refrigeration unit that transfers heat from the refrigerator's working chamber to the outside, where it is dissipated to the external environment.