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In daily life, people is too busy to replace the band-aid, which makes the bacteria to breed. Sometime a small wound becomes increasingly serious. Timely band-aid can help people to replace the band-aid promptly and protect people from the bacteria against.
SHANDONG UNIVERSITY OF ARTS
Jinan, China
SHANDONG UNIVERSITY OF ARTS
Jinan, China
Yi Zheng
SHANDONG UNIVERSITY OF ARTS
Jinan, China
Yun-dong Zhang
