Hot beverages may be too hot to drink, with temperatures often nearing the boiling point of water. The thick walls of a typical mug will absorb much of this incalescence when the liquid is first poured into the mug and so lower the beverage closer to potable temperatures.
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A travel mug is a variation on the traditional mug that is choice for transporting hot liquids |
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| It may or may not be a vacuum flask, but is above all well insulated Photo Mugs and completely enclosed, with an easily closed opening on the top. |