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Variable Prison Bar / safety

Variable Prison Bar

The design increases the safety of prison bars and add a new exit for people while disaster happening. The prison bars are made of light metal with high-intensity . It ‘s durability can quickly and conveniently create a exit that let people escape easily .Even save more precious lives effectively. There is an urgent device. After switched on ,cause of gravity the prison bars rapidly extend and become a new exit.


National Kaohsiung Normal University

National Kaohsiung Normal University
Miaoli, Taiwan