
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
NOT IN HAND BUT ON HAND
If you want to poke around late at night in the car engine or look in a dark cellar for pickles, jams, — all lighting required a flashlight. But it is not very convenient, as you have to...
ORBITA STUDENTS
The Moscow Lenin order aviation Institute named after Sergo Ordzhonikidze at the faculty of aircraft engines has a student design Bureau (SKB-2), which is headed by candidate of...