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Pencil sharpener / Pencil sharpener

Pencil sharpener

For people who use pencils, most people choose to discard the leftovers when
there is only a little left of the pencils.Yu's pencil. This not only causes waste, but also the discarded pencils contain lead, which can easily be caused by improper handling.Environmental pollution. The design of the dual-purpose pencil sharpener can not only sharpen the pencil, but also connect the pencil
to make the pencil Continue to use, so that waste can be reused, which greatly saves resources and avoids waste.


Jiang Xi Normal University

Jiang Xi Normal University
Nanchang, China

Xinggui Cheng,
Jiang Xi Normal University

Xinying Deng

Shaojun Wang

Zilong Wang