Before being displayed on the refrigerator. People kept using ice and snow. The refrigerator early in the history of mankind is to dig holes in the ground and then with wood or straw, ice or snow and then put into the hole to hold the food. The first was a demo model refrigerators work by William Lane (William Cullen) that local universities recognize – 1748, donkey, American inventor Oliver Evans name (Oliver Evans) have designed the first fridge freezer sections can actually works created by kin in 1834, perfect steam greatly. Later, American physics students the name John Gore (John Gorrie) created the refrigerator by the reference comes from the design of the Evans. 1876 German engineer Carl won, Linden (Carl von Linden) is a patented process gases into liquids.As part of the initial cooling technology.The refrigerator in the late 1800, to toxic gases used in 1929 to cooling, such as ammonia, Methyl salicylate khlo ride, and sulfur dioxide free use on refrigerators in cooling became the home of the city around the kitchen.
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