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安全锤 / Safety hammer

安全锤
安全锤

Safety hammer on the market is designed for adult men, which requires great strength to break glass, so children and women could not use it.Especially in the kindergarten and school,students cannot use. The design is for the bus where passengers are complex , children and adolescents have strength problem.Breaking window with small force can be designed in safety hammer. Paste it on the window glass, the children would not touch.Smacknig in the time can break the automobile toughened glass and realize the ourself.

University

Nanchang University

Nanchang University
NanChang, China

heqi zhao,
Nanchang university

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