A roll of soft rags or foam rubber, emery paper wrapped, simple and perfectly working device for sanding curved surfaces, whether wood or metal. And the same skin in combination with two plates in it, fortified at a right angle to each other, help out in cases when you need to sand the surface of the angle or corner joint of a part or product.
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Carefully cut a circle from the cardboard using scissors is very difficult. To help in this work can usually tsyrkul fixed in his foot, as shown in the figure, a razor blade.
