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when using traditional scotch tape ,it's difficult to find the tape's start,and without tool ,like scissors,you can hardly cut it off. this new scotch-tape have three "V" form grooves isometricly distributing at the edges .the "V" grooves can help uses cut the tape off easily and make it more convenient to choose suitable length.moreover,they can also help to find the nearby start.
Chen Chen Gui LIN Wang Lei Yang Xiao Fu Yueming Rao Yu Li Yan Fang Yao Chen Si Zhan Yangyang