Not find, perhaps, a car or complicated mechanism which isn’t used ball bearings: they are embedded in devices and engines, airplanes, and tractors, bringing accuracy, reliability and durability. And suddenly — an unexpected metamorphosis: the ball turned into the destroyer, has become a cutting tool. The device, manufactured on its basis, can be used for cutting writing and photographic paper. MYSHKIN TRAP
Instead of the traditional snapper trap, when it is necessary that the captured animal was alive, it is possible to use improvised means, for example, a large glass jar with a bait: over the slanted glass mouse can’t get out.
This simple device will allow, if necessary, to obtain the desired rivet diameter and length. Steel angles from rolled steel clamped in a vise, with the line connector mark and drill holes of the required depth and diameter. Now, loosening the grip, inserted into the hole of the workpiece is of soft wire, the diameter of which corresponds to the desired size of rivet. The device is again clamped in the vise, and workpiece clench; the excess head is removed with a file.
