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Emergency lifesaving mask is designed for people during a fire;Emergency lifesaving mask is designed according to people’s action of covering the mouth and nose when escaping from the fire. With this mask, people can cover the mouth and nose from breathing in the smoke leading to smoke poisoning;
Huangshan City, Anhui Province, China
Shuiqiang Yin,Dongze Wu,Hao Jiang,Denggui Su