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Heat-keeper applies the wireless technology to keep the food which are put on the table warm or their original temperature so that people can have better dining experience.
Heat-keeper converts electric energy into heat. The tale can sense the shape of the bottoms every time you put the bowl or other containers with food in it on the table. And then the shape will show up in blue which means the food gets heated. If you don’t want to heat it, just click the blue shape. It will turn into white, meaning the table will not give the food any heat.
East China University of Science