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Eraser dust / Office Supplies

Eraser dust

Ordinary eraser wiping it will get dust everywhere. Not only teachers suffer, but also the body in front of the students in the dust. But I have this eraser around the recesses to prevent dust running around, ash is also convenient, pour out on it.

University

ZhengzhouUniversityOfLight Industry

ZhengzhouUniversityOfLight Industry
Zhengzhou, China

Design

ZhengzhouUniversityOfLight Industry

ZhengzhouUniversityOfLight Industry
Zhengzhou, China

Weifang Xu