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Safety hammer design / Safety hammer

Safety hammer design
Safety hammer design

Safety hammer often hung in a certain position of the carriage, in the event of danger, chaotic, safety hammer is easily lost, not easy to find. Fixed safety hammer is together with glass, tapping the safety hammer in the case of dangerous force.

University

liaoning shihua university

liaoning shihua university
fushun city, China

Dong Shuang,
liaoning shihua university

Zhaolong Liu,
liaoning shihua university

Honghe Gao,
liaoning shihua university

zhang yong,
liaoning shihua university