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rolling screwdriver / screwdriver

rolling screwdriver

To prevent the employment injuries, we chage the
useing way of screwdriver.
Be different from spining screwdriver, rolling
the screwdriver is the better way to our hand.
it will not cause tendinis and digitus recellens.
if the screw is to tight, we can pull it.

University

Tatung University

Tatung University
Taipei City, Taiwan