The importance of having an effective refrigeration system in India - Elanpro
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Before industrialization, the method of cooling and preserving food was used by the ancient Greeks and Romans. Instead of mechanical devices, they used ice from the mountains to cool and store their food, and those who were rich also dug snow cellars into the ground, insulating them with wood or straw.
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The importance of having an effective refrigeration system in India - Elanpro
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