Details of the processing of tin will need a small jig from two pieces of plexiglass with holes for pins. The sheet metal of the workpiece is placed between the strips connected on the pins, and the entire package is clamped in the vise. Then you can operate a needle file or a file without fear that the item will get wrinkled.
P. MARACHEV, Perm
Recommend to read
BARRIER TO INTERFERENCE
In recent years, and became noticeable interference in a household outlet, requiring protection home electronic equipment TVs, home audio, computers. These impairments lead to "tearing"...
THE LOG SPLITTER OF MY DREAMS
In the well-known encyclopedia even the last century "Industry and technology" in volume on "the treatment of fibrous substances", which is a tree, it is said that "in the works for the...