This research plunders the existing general books and notebook paper with a certain width of space to prepare writing tools, maximize the added value of the general paper, and expect the economic substitution effect of the deleted part, so as to separate the air supply and the earpiece as a whole, and lead skin and Combined with eraser on the same paper part of image change, office (notebook) and books (professional,Non professional) and so on.The integrity of some note taking tools in this study was tested on the general books or notebooks used in this study (conflict: left, right, front and back directions), and the results showed excellent integrity.
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