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Incision sand paper / Incision grinding paper

Incision sand paper
Incision sand paper

Grinding paper is a tool for sleeking burnish metal and lumber; but it is easier to hurt the bone of the finger if the workers use it irrationally. Incision grinding paper is a grinding paper with a hole which can put the finger in and minimize the injuries from holding the paper.

University

South China Agricultural University

South China Agricultural University
Guangzhou in China, China

Design

South China Agricultural University

South China Agricultural University
Guangzhou in China, China

Yongming Yuan