Sewing needles save usually stuck in the pads. The same principle can be stored and some carpentry and locksmith tools. Just “pad” for them should not be made of cloth and wool, and metal mesh, the cells of which serve as sockets for chisels, awls, screwdrivers, etc.
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In 1921 - 1939 in Leningrad acted Special technical Bureau for military inventions (Sptecbureau), it was headed by engineer V. I. Bekauri. In 1934 in a 1st division Sptecbureau was...
FROM THE SYRINGE INTO THE WALL
Even a disposable syringe can still be of use, and more than once — of course, for other purposes. For example, the packing case of needle incised along the axis, it is suitable for use...