
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
CRUISER LATIN AMERICA
To test the dynamite gun in a combat situation was not an easy task. Although auxiliary cruiser "niterói" was commissioned in late 1893 , it constantly broke down and failed, and due to...
THE BICYCLE WINCH IS PLOUGHING
Readers of "M-K" have long been familiar with the enthusiast of homemade soil cultivation equipment, amateur designer from Nizhny Tagil, Grigory Ivanovich ODEGOV. He was the one who...