Convenient storage of small tools is not only about safety and effectiveness. I think that drills, taps, needles, and other small tool is best stored upright in a plate of thick rubber. Perforations drilled or punched with a sharpened pipe, and their diameters must be smaller than the diameters of the installed items by 30 — 50 %. M. ONOPRIENKO, Stavropol
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UNDER ANY GROWTH
To pull the oars will be much easier if you install in a boat footrest. It consists of two shaped holders and crossbar. As the crossbar, you can use the cut water pipe.
TWO PISTONS IN ONE CYLINDER
Our magazine has repeatedly written about the works of children's technical club at HCS Institute of inorganic materials, which for many years was headed by engineer A. S. Abramov. Here...
