
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
CROCODILE-CLIP
When conducting home experiments with the batteries from the flashlight, the repair of toys and models with motors in adolescents is frequently necessary to connect conductors to the...
AN EXPENSIVE EXPERIMENT
Bomber XB-70 VALKYRIE. The first jet bomber the BOEING b-47 came to the command of the U.S. air force in late 1951. However, the aircraft with maximum payload of about 10 tons could...