This is a little-known but sometimes very useful trick. When you write instructions directly on a wallpapered wall, it may be necessary to remove them later. The blue eraser can do this, but with caution: its roughness requires delicate use. You should erase lightly, without insisting , a bit like you would carefully clean an old window.
It is useful on cardboard or thick papers
In creative pursuits, erasing a grease pencil line from cardboard can be difficult. This is where the blue eraser comes in handy. Its firmer texture allows for erasing without excessive rubbing or damaging the surface. A practical tool for those who love creative hobbies.
Why is it still present in school pencil cases?
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