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Updated: 02/21/2021 13:15:09 Expert: Andrey Nikolaevich Kuznetsov *Review of the best according to the editors of expertology.ru. ABOUT

Diamond is known to be one of the hardest minerals on earth. That's why the most

About bolts. In the photo there are two types of bolts: “short” and “long”. “Short” ones are intended for fastening

The wide variety of shapes and sizes of file cuts has led to the fact that it is difficult for a non-specialist to understand

Degreasing the surface of a car is one of the most important stages in preparing it for painting. If

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Properties of oxygen and methods of obtaining it During gas welding and cutting, the metal is heated

Which welding is best to use? Which welding will produce less smoke? Which welding is better to use?