
Good protective glass on the shield or the mask of the welder can be done independently. To do this, cut out two Windows of the same size that the visor or mask, and smoke one of them. It remains only to glue them (having laid between the glass paper gasket) ordinary silicate adhesive.
E. BOULUKOS, St. T e R m e s, Uzbekistan
Recommend to read
What is water karting?
Four wheels, an engine, and a driver's seat. Such are karts—tiny sports cars that surprisingly quickly gained widespread popularity in all countries of the world. Thanks to their...
RIDING FAN
This single machine with "air cushion" created in the engineering laboratory of the Leningrad Palace of pioneers named after A. A. Zhdanov. One engine from the motorcycle, rotate the fan...