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Heating and cooling - Energy - KS3 Physics - BBC Bitesize
WebThe cup holder with this function is covered with a layer of aluminum on its surface (this is the typical feature that is different from the common cup holder), while the cup holder filled with plastic and rubber materials only plays a role of a fixed water cup. Working principle. The key of the heating/cooling cup holder device uses the ... WebThe heating and cooling cup holder of the present invention includes an inner holder 100 that receives a drink through an open top, keeps the drink, and has an air hole 120 at the … tim whitaker
(Rose Gold)12V Car Cup Cooler Warmer Portable Car Heating …
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