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cutter or sharpener / Cutter knife

cutter or sharpener
cutter or sharpener

cutter or sharpener is designed to reduce a waste of the blade.
People usually break the dull blade. the broken blade can not be recycled and may hurt cleaners.
but if you use it, you can use it longer and reduce waste.

University

Daegu Univ

Daegu Univ
Gyeonsan-si, South Korea

Design

Daegu university

Daegu university
jillyang-eup,Gyeonsan-si, South Korea

Seung-han Lee

Design

Daegu university

Daegu university
tongyoung, South Korea

so-jung kim

Design

Daegu Univ

Daegu Univ
Gyeonsan-si, South Korea

Do-Hyung Kim

Design

Daegu Univ

Daegu Univ
Gyeonsan-si, South Korea

Jin-woo Han