The "write-erase" pen has a useful feature - within 12 hours it is possible to erase the writing with the help of an eraser built into the body. The ink is erased not due to mechanical erasure and peeling off of the eraser particles, but due to the properties of the ink itself - the ink heats up during friction and disappears when heated to 60 degrees. Thus, the ink is removed without damaging the paper, so the "write-erase" pen will be able to help in for education and other areas where it is important to prevent corrections and smudges.The pen writes softly, requires minimal pressure when writing and has a clear, saturated mark.
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