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Transformer / Transformer Screwdriver


When screwdriver tip touch the screw, cylindrical object of the screwdriver
tip will accordance concave and convex shape of the screw, screwdriver can
turn the screw and tighten it.

So that you do not need a lot of screwdrivers, one is enough.


National Cheng Kung University

National Cheng Kung University
Tainan, Taiwan

National Cheng Kung University

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