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Most people should have the experience of messing around with the toilet paper roll, even though dotted and tearing line had been improved, people still find not easy to tear off the paper nicely and easily .Paper killer is a special designed toilet paper cutter, using the concept of Chinese calligraphy, they used to draw a wet line on the rice paper in order to tear down the paper neatly. Paper Killer is equipped with a water blade, when the paper pull out and upward, gives a clean and straight cutting line.
Tainan University of Technology
3.Prof.Chung Sing, Chin