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
PLANE FOR TWO
Since the days when "Tsar Peter arapa married", carpentry work associated with a large number of planing boards or timber, produced a two-handed plane. Such a tool would no doubt be...
UNDERWATER DIGGERS
Upcoming XXV Congress of the CPSU will summarize the implementation of the ninth five-year development plan of national economy and chart a new rollers of Communist construction in our...
