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Senin, 04 Agustus 2014

Book Automotive Air Conditioning Training Manual

All substances contain heat. Something "feels" hot when it is warmer than our body temperature. When something contains less heat than our bodies, we say it feels cold!Cold is merely the removal of some heat.Science tells us that a measurement called "Absolute Zero" is the point at which all heat is removed from an object (approximately -273 C). Any substance above this absolute zero temperature retains some heat. For more details, please Click

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