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Sustainable pencil / Sustainable pencil

Sustainable pencil

Pencil making requires a lot of wood, resulting in many trees being cut down.At the same time, we usually use a lot of automatic pencils are mostly made of plastic.This will do some harm to our living environment.All parts of this automatic pencil are made of wood, and only need to replace the pencil lead inside to continue to use, so as to avoid the waste of wood.

University

Hubei University of Technology

Hubei University of Technology
Wuhan City, China

University

Hubei University of Technology

Hubei University of Technology
Wuhan City, China

Yao/Zhang,
Hubei University of Technology

Xuemin/Zhang,
Hubei University of Technology

Qian/Zhu,
Hubei University of Technology

Jiahui/Yu,
Hubei University of Technology