
CELL GUARD

The first phase of the German tank building is well known to the reader — it covers the period of the First world war ends 1918. In the description of subsequent phases usually just jump in 1933 in Nazi Germany Might get the impression that between 1918 and 1933 the Germans were not engaged tanks. However, they do the job, the Treaty of Versailles prohibited, just not advertise it. It was in those years was created by a “gross-tractor” — the most interesting of the German war machine 1920-ies.
Thin drill bits are known to clamp in the Chuck of the drill difficult. However, there is a cartridge that copes with it easily — as used in the compass. That and they need to use it. Installing it in the drill and releasing of the leg of a compass, then insert it into the Read more…
There is a term the organizers of the innovative and inventive works: “Temnik”, the list of bottlenecks in production. He focuses innovative idea on solving the most relevant to the enterprise or household tasks of mechanization or automation of technological processes. Included this term in recent years in the field of children’s technical creativity. It is not surprising, because the eye becoming more pronounced social trend: young engineers contributing to the development of the national economy.
The idea of composite, or multi-stage rocket put forward by K. Tsiolkovsky in 1929. And on may 19, 1938 near Moscow for the first time in the world was launched two-stage rocket designed by I. A. Merkulov, one of the veterans of Gird.