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Functioning of a clay pot cooler. A zeer is constructed by placing a clay pot within a larger clay pot with wet sand in between the pots and a wet cloth on top. [11] The device cools as the water evaporates, allowing refrigeration in hot, dry climate. It must be placed in a dry, ventilated space for the water to evaporate effectively towards ...
A water dispenser, sometimes referred to as a water cooler (if used for cooling only), is a machine that dispenses and often also cools or heats up water with a refrigeration unit. It is commonly located near the restroom due to closer access to plumbing. A drain line is also provided from the water cooler into the sewer system.
A refrigerator maintains a temperature a few degrees above the freezing point of water. The optimal temperature range for perishable food storage is 3 to 5 °C (37 to 41 °F). [ 3 ] A freezer is a specialized refrigerator, or portion of a refrigerator, that maintains its contents’ temperature below the freezing point of water. [ 4 ]
A good evaporative cooler, used correctly, can lower temperatures by up to 15 degrees. When shopping for an evaporative cooler, you’ll want to consider a number of factors.
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