Before refrigerators appeared on earth. We preserve food by using the ice and snow. Refrigerator early in the history of mankind.In order to take away food. The first refrigerator virtual machine is demonstrated performance by William Cullen (William Cullen) at the University of Glasgow. 1995.Professor 1748 American inventor named Oliver Evans (Oliver Evans) designed the fridge first machine. The refrigerator can actually works created by Jacob Perkins in 1975. 1834
.Later, American physicist named John Gore RI (John Gorrie) built from the design of refrigerator based on Evans. 1876 German engineers. Carl von Linden (Carl von Linden) patented process gas to liquid
.Which is a part of the cooling technology introduction
refrigerator in late 2001 1800 to 1929 used ๊า 11.9 toxicity in refrigeration Such as ammonia, methyl chloride, legislation.And sulfur dioxide refrigerator use of freon in refrigeration became a household kitchen throughout the home town.
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