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
SU-17: FIGHTER AND BOMBER
Projects and experienced first instances of jet aircraft with variable geometry wings appeared during the Second world war: in our country the project of this aircraft was developed V....
SHELL – ANY!
To create the body of the car, aircraft or boat, as you know, very advanced technology is Vileika of fiberglass using as a binder a polymer resin — epoxy, polyester and the like. The...
