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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Tiny Moped
The compact moped I designed, unlike production models, fits freely in a passenger elevator. That is perhaps one of its main advantages, since the two-wheeled little machine (which,...
ACCORDING TO THE PRINCIPLE OF COMMUNICATING VESSELS
...it is possible to make a device for determining the marks in the construction of garden buildings. For this you will need a long hose with transparent bits filled with water.
