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. THROUGH THE BAR
It is not easy to drill pipe, clamped it in a vise and nukernel. The task will be made easier if you resort to using a small block of wood. It is administered in the Vice with the tube and drill through it. At the moment when the drill bit touches the pipe, the bar Read more…









