
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
COMPETE TOYS
In the days of preparation to the XVII Congress of the Komsomol, the Central Council of VOIR, the Ministry of light industry and the Ministry of education of the USSR adopted a decision...
ON THE WAY TO THE RECORDS
In 1988 there was a serious prerequisite to the beginning of work on items for ignition, and primarily on spirals candles glow plugs of internal combustion engines. This was due to the...