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
INSTEAD OF BATTERIES
This miniature power pack sits in the battery compartment handheld radios, calculators and other miniature electronic equipment where they need to be connected to AC power. After...
MOTOBLOCK — NOTHING EXTRA
A story about all the machines and mechanisms created by amateur constructor Vasily Alekseevich SVERBIL from the village of Zelenchukskaya in the Karachay-Cherkess Republic cannot fit into...
