If you don’t have the special kit for fixing the abrasive wheel in the Chuck of a drill — assemble it from the available parts. Only need a screw, two large washers and nut. The circle is placed between the washers, it is introduced the screw and then the entire clip is tightened with the nut. Stays put the screw in the Chuck of a drill (it is desirable that it was variable speed) — can and should work.
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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....
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Often in life there is a need to carefully pour some liquid from one vessel to another so as not to affect sediment on the bottom. Usually use the suction tube. But it is necessary to...