The problem with writing delete a liquid (liquid paper). A problem found by chairs and the walls. Humans have been using the wrong cleaners remove to delete a word instead of an eraser, which have taken more writing that which caused the damage, and not beautiful. Because the wall of the classroom in a school desk, Nakhon sawan, where liquid is to remove bad language, the writing is that when a teacher or someone used the classroom to do activities such as various enquiries, etc. Thus was born the concept of people working together to study what could be rather than delete a liquid. By using the fruit Peel: orange peel Lemon peel Shell sand PEAR Green Apple Peel came to rub the area with liquid-by deleting the word. The results appear to delete a wrong cleaners can be dropped off to. To make the area safe, clean-up, and also to the users.
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