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
AMPLIFIER ON STAGE
"Dear edition! In rooms 11 and 12 your magazine from 1973 published a description of the guitar in Leningrad designers and lovers Guzina O. and D. Med, hex. The tool we liked. ...
TRANSPORT… OF SILENCE
The voice of the motorcycle or moped is familiar to everyone: a sharp and often as machine-gun fire, the crackle of a motor rips the silence, causing the others to flinch. And harmful...
