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I designed the tool that is compact and has universal features as using three kinds of handle change. The tool can be used anywhere, anytime and not to use much power in to the ground.
HanYang University
Ansan-si, Gyeonggi-do, South Korea
HanYang University
Ansan-si, Gyeonggi-do, South Korea
Jimin Lee
HanYang University
Ansan-si, Gyeonggi-do, South Korea
Juneyoung Kim