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All-used Whiteboard Marke / All-used Whiteboard Marke

All-used Whiteboard Marke
All-used Whiteboard Marke

Whiteboard marker is a necessary tool for teaching and office.The whiteboard markers are in great demand in class and meeting.We found that a large number of whiteboard markers can not be written soon and are discarded.In fact, the edge part of the refills are not in use and this part of the ink has been wasted.
We found the ink adsorption of whiteboard marker'refill has certain limits and the outer edge of the ink is not in use.

University

Guangdong University of Technology

Guangdong University of Technology
GUANG ZHOU, China

Bi Zhao ,
Guangdong University of Technology

Fuchu Fu,
Guangdong University of Technology

Xiaohui LI,
Guangdong University of Technology

Xiaokang Yang,
Guangdong University of Technology