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