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.
Recommend to read
TESTER FOR BATTERIES
The device allows you to monitor the status of the galvanic cells and batteries: it measures the voltage under a nominal load. Diagram of the device is a voltage divider made from...
TANK, BORN IN THE WINTER WAR
The Soviet-Finnish war began on 30 November 1939 and ended on 12 March 1940. All this time our units had to overcome the fortifications of the "Mannerheim line", created on the Karelian...
