Construction and mounting the nail dowel for fixing metal structures to concrete made from hardened steel. If you release hardened on the fire and sharpen the head a certain way, and then tempering it — get a perfect tool to the drill for figured wood and soft metals. L. MOROZOV, G. Samara
Recommend to read
TRAPPED IN THE”HOLLANDS”
The views of Americans on submarines before the First world war was somewhat different from those in European fleets. Overseas shipbuilders in those "baby" years of development of...
BENCH DRILL PRESS
This machine, operating from a single-phase AC network at 220 V, was manufactured in a technical creativity club at a lyceum. It turned out to be compact and convenient, meeting safety...
