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When we use the cellophane tape, we need sharp objects, like knife, scissors, teeth, and so on. Of course, it's very hard to find the incision. It's very inconvenience. So we add some small incisions on cellophane tape, and a long, narrow strips of paper for us to cut it off easy and convenience.
Fuzhou University
Xiamen,Fujian, China
Fuzhou University
Xiamen,Fujian, China
Yulin Chen/Yang yang