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
THE STARS COME CLOSER
Observation of the night sky in the city, especially in the metropolis, can not give pleasure to the true lovers of astronomy: sudden changes in temperature, smog and the night lighting...
WINGED UNIVERSAL SU-25TM
The interaction between aviation and ground forces—one of the conditions for the successful conduct of modern warfare. The form of this interaction is determined by the accepted military...
