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Submarine escape hammer / industry/tools

Submarine escape hammer
Submarine escape hammer

When the car accidentally fell into the water ,because the water pressure, the door is not easy to open ,then escape hammer will play a big role .but even got out of the car ,in the water or dangerous .This set join a balloon in the hammer ,when the broken glass , at the same time into a life buoy, to help people escape from danger.

University

Chongqing University

Chongqing University
Chongqing, China

Design

Chongqing University

Chongqing University
Chongqing, China

Hepeng Yan