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Bolts and Nuts / Survial+Emergency/Eco Solution

Bolts and Nuts
Bolts and Nuts

When a pencil is too short to be of good use, it is usually thrown away and wasted.
The principle use of screws and nuts combined with pencil, pencil increase usage

University

National Taipei University of Technology

National Taipei University of Technology
Taipei, Taiwan

Cyung-Yi You,
National Taipei University of Technology