
Often, after the hole is drilled,further or a clean, slightly to expand or to make a slightly oval shape. This work can be facilitated steel Bender, automating it with a drill in a cartridge which is inserted a circular, semicircular or even triangular needle file or similar file section.
V. SIZIKOV
Recommend to read
THE DRAFTSMAN NOTE
A short pencil is more convenient to work with the knob-extension of thin-walled tube. But in this case to use the stylus fails. Offer stick "Shorty" end of another pencil. The...
SNOWMOBILE FROM THE FOREST EDGE
Original wooden snowmobile constructed schoolchildren Gene Vorontsov, Jora of Kochetov, Svetlana Sour, Boris Nasonov, Kohl Utkin and the teacher of the O. D. of the Bars, who for...