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When was the first home refrigerator made?

It was made as early as in the 19th Century in the United States. It consisted of an insulated cabinet into the top of which a block of ice was placed. Modern refrigerators, which are automatic, first appeared in 1918. They use one of two methods-technically known as absorption and compression-to keep foods at, temperatures near freezing point, 0° Centigrade (320 Fahrenheit). The period during which foods can be preserved at this temperature is limited to a few days, but in freezers, at temperatures of -18°C (O°F) and lower, they can be stored indefinitely.



 
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