
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
STEPPE BOGATYR
Every few minutes the conveyor of the Leningrad production Association "Kirov plant" comes a brand new tractor K-701 "Kirovets". Thousands of these machines working in the fields of the...
SCALE — POTATOES
Dissolved in water the salts deposited on the walls of the vessels for boiling in a permanent scale, which is difficult even mechanical cleaning. However, the scale is well softened and...