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Looking for a falling needle is trouble. The reason is that the volume of the needle itself is too small, and that the metal material will reflect the environment image, so people find it very difficult. This design is to solve this problem. According to animal alert color principle, it uses zebra stripes. In this way, no matter where.you are, it can be easily found.
Dalian Minzu University
Dalian, China
Xuefei Liu
Di Fang
Ling Bao
Ying Zhang