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When the shipwreck occurred, people will not find the life-saving facilities because panic, causing heavy casualties. This product will combine flashlights and lifebuoy, compact and easy to carry, in the event of a shipwreck, you can quickly open the lifebuoy can also use a flashlight and transmit a distress signal.
Ningbo University of Technology
Ningbo, China
wanli Ni,
Ningbo University of Technology