The main work of the fridge comes from physical principles, using the principle that when a liquid becomes gas, it will suck the heat try Ta. The skin will feel Al kahon cold because it evaporates quickly, Al kahon absorbs heat from the skin and cause a cooling of the liquid that we applied in refrigerator cooling is called substance (refrigerant) that evaporates at low temperature. Therefore, it can reduce the temperature inside the refrigerator down below freezing.
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