An interesting invention of mankind thermos for tea

Initially, the British scientist made a flask to store rarefied gases without giving much importance to this design. But his German pupil saw something more in his invention and in the future, he modified it and made it his patent, founding his company, which quickly became popular all over the world.

 

They began to be used by people on trips, in the cold season, on long drives, at work, and in other places. Pouring hot liquid into it, it could be kept very hot for a very long time, almost all day. So it won the hearts of many people, making life more comfortable and warm for them. They have different sizes, for different needs.

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