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In today's working environment, more and more paper has been wasted just because of a little miswriting, which leaves a large part of space of the paper not being fulily used. To solve this problem, we design a new kind of paper on which there are many engraved lines instead of the normal writing lines. When you write something wrong or unnecessary, what you need is just to tear apart the paper along the cutting line without any auxiliary instruments. The cutting lines are not so obvious that from a distance it is almost invisible, which also makes the paper looks more clean and tidy.
Sheng Huang, Xueliang Li, Ning Zhu, Nan Ji