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gradation nail / tool

gradation nail

Gradaion nails give information us how long nail is inside the wall.

University

Chung-Ang Univercity

Chung-Ang Univercity
Anseong-si, Gyeonggi-do, South Korea

Won Kyung Kim

Design

Chung-Ang Univercity

Chung-Ang Univercity
Anseong-si, Gyeonggi-do, South Korea

Mina Namgung, janwoon Kim, Eunsil Mok