
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
CONVENIENT LAMP
Alexander Konochkin — student of the physical-technical faculty of Tomsk state University. The choice of the future profession is not accidental — since childhood Sasha enjoys improvised...
“PROSTHESIS” POINTS
The most frequent case in "bespectacled" — breaking the joint of a pair of glasses. Sometimes there are such designs that any can replace or repair is not possible. Offer a universal...