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
MODEL AIRCRAFT ALL-AROUND
All-around radio controlled model gliders (class F-3-B), which includes three flight exercises, is the youngest species of the competitions of flying models. It is flying on the...
WANDERING THE SWITCH
Sometimes you need to control the lights (or other devices) of two points far remote from each other. It may be required in the long corridor, and in the garden, or even in a small...
