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Physical Knowledge Of Stapler
Sep 06, 2017

Stapler is a labor-saving lever, large stapler is more obvious, nail position in the hand to the hinge length of about half, the human role of the arm is longer, so labor-saving ordinary small stapler basic not effort, ARM is the same.

Spring Elastic According to the part of the rough, increase and hand friction, do not slip increase in contact area, reduce pressure, so book hands do not hurt stapler needle thin, in order to increase pressure, force width to reduce pressure, there is the principle of leverage, the base has fine stripes, increase friction.

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