When working with imitation leather or thin skin, which are often used for the models or devices, there is a need in the holes of small diameters. In these cases, rescue of a homemade tubular proboinitsa. This can be obtained for example from a metal rod of a ballpoint pen after extraction of the writing unit and sharpening the edge of the tube.
Recommend to read
AVOIDING THE CURVATURE
A roll of soft rags or foam rubber, emery paper wrapped, simple and perfectly working device for sanding curved surfaces, whether wood or metal. And the same skin in combination with...
THE DUO SCHEMES TO UMZCH
Analog IC К176ХА10 was developed as a combined that contains a standard power amplifier of sound frequency (umzch) and has long been undertaken by radio Amateurs on Board. With supply...