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Emergency Lifebuoy / Lifebuoy

Foaming materials A and B are filled in the segments of rubber ring,when faced with danger,just pull the knot,materials A and B occurs foaming reaction,which fill with rubber ring to form a lifebuoy.Not only Foaming material is non-toxic and harmless,but the lifebuoy weighs is only 0.3kg.

University

Shanghai Maritime University

Shanghai Maritime University
Shanghai, China

Design

Shanghai Maritime University

Shanghai Maritime University
Shanghai, China