Do not rush to throw out an electrosoldering iron: its handle more work if we impose it on file, chisel. N. LUSHNIKOV, V. between kuzhenkino, Kalinin region.
Recommend to read
THE LAYOUT WITHOUT A TEMPLATE
Usually machines, mechanisms and assemblies during installation is fixed to the mounting surface or Foundation of several bolts. The centers of the bolt holes, usually marked with...
THE MACHINE OF DRILLS
Everyone who had to drill holes using a hand drill or a hand brace, knows how difficult it is to keep the drill bit in the desired position (usually perpendicular to the surface of the...
