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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Wags say that invention, they say, are born from laziness. Maybe they're right. I tired to cut the tops and chop the root vegetables for domestic animals manually — set about creating an...
Motor block built by a youth technical club
In gardens and vegetable plots, at dachas and school grounds — everywhere where there is a need to cultivate small areas of land, universal walk-behind tractors (UWT) are widely used....
