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Many poverty places in the winter is very cold.The classroom has no heating facilities.Cold make The class is difficult to continue."Warm classroom" does not use electricity，Generated by rotating machinery Can translate into a lot of heat and stored.Then slowly exotherm. So that the students can use it to heat, warm in class.After class,take some of the "warm classroom's" coat out and Stacked them up.It can give a few people warm.This is security than firewood,it can avoid a fire.Of course, the "warm classroom" also suitable for field Use by travelers.
South China Agriculture University