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Life-saving hammer / Life-saving hammer

Life-saving hammer
Life-saving hammer

While hammering, power which translate from stress has been preserved to supply the electric for the flashlight. Facing with a power failure caused by some disasters, Life-saving hammer will be helpful to the trapped for power supplying and lighting. And it will find its place in many outdoor pursuits.

University

Sanming University

Sanming University
Sanming, China

yile Zheng,
Sanming University

Bingxiang Liu,
Sanming University

Hanliang Hong,
Sanming University

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