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彩色钥匙 / colored key

彩色钥匙

Stick the reflective material of the same color to the key and lock matched, you will find it much easier to pick out in dark
the right one from the many of your key chain.

University

Zhengzhou Institute of Aeronautical Industry Managent

Zhengzhou Institute of Aeronautical Industry Managent
zhengzhou, China

University

Zhengzhou Institute of Aeronautical Industry Managent

Zhengzhou Institute of Aeronautical Industry Managent
zhengzhou, China

Design

Zhengzhou Institute of Aeronautical Industry Managent

Zhengzhou Institute of Aeronautical Industry Managent
zhengzhou, China

Qingfeng Wang Yuebing Chen Shaojian Qin Dongwei Li