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 as plastic plugs inserted into the hole in the wall. Screwed it in the screw provides the der is not worse than in special dowels sold in hardware stores.
N. ALIKIN, St. Petersburg
Recommend to read
DOCTOR SURFACING
From circular knives, no matter where they worked in agricultural units, in the fields or in industrial plants, — wear out really fast sharp working edge. Therefore, innovators tend to...
FOR ANY SOIL
Thanks to the "Modeller-designer" I'm still at school became interested in technical creativity. Three-wheeled all-terrain vehicle is one of my latest designs. It used the engine from a...