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It is a kind of snow boots which can be automatically heated up. The theory on which it is designed is the same as that of the flashlight. The boots need not to be charged for springs inside the soles can generate electricity through the transition of gears and the Cutting magnetic induction line movement and can heat the resistance board to reach the proper temperature. We will not feel cold anymore walking in snows.
Liaoning Shihua University
liaoning fushun, China
Cao yin Qiao hongyue Wei zhixue Li fengshen