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
Helicopter S-55 I. Sikorsky
Helicopter S-55 Sikorsky Aircraft company, part of United Aircraft Corporation, was designed and built in the late 1940-ies, during the period of rapid progress in the global helicopter...
MINI HELICOPTER FREE FLIGHT
The twin-engine helicopter model. The creation of radio controlled model helicopters is one of the most difficult types of modeling. So complex that at the present time, almost nobody...
