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W ruler / W ruler

W ruler
W ruler

Our ruler will be worn after used for a while,some are scratched unevenly by knives,some's numbers are worn not very clear.
Genenrally,only one side of a ruler will be worn badly,we design two groove on the bottom of the ruler,when the scale of ruler become wear,we can snap the part which is damaged,the part of we get will become a new ruler.What we do can reduce the waste.

University

Fuzhou University

Fuzhou University
xiamen, China

huang zhonggeng,
Fuzhou University