AMBULANCE BOOK

FIRST AID BOOKMy home library is quarter of the self-made volumes that the quality of the binding and design are not inferior printing samples. In the literature in some detail with illustrations of the technique of restoration of books, but none of the authors does not lead the machine design.

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“DRAGON III”

The sounding rocket “Dragon III” — two-step. The engines of both stages is solid. The mass of the fuel engine of the first stage (start) — 686 kg. the rocket Starts with the ramp installation. Eight aerodynamic stabilizers (four for each stage) provide stable flight. Measuring apparatus weighing 30-90 kg is placed in the head part. Missile launch weight — 1184 kg. Maximum altitude: 7000 m. the flight Time is 440 C. length of the rocket varies depending on the mass of the apparatus and is of 6.99—8,16 m.

A HANGER FOR DRILLS

For hammers and chisels, screwdrivers and pliers — for the different instruments invented different ways of suspension and mounting of tool boards in the workshop or home work area. But with drill, the situation is more complicated: very “difficult” she has a case shape. However, there are quite affordable and convenient way. The drill is Read more…

HEAT WITHOUT FIRE

HEAT WITHOUT FIREHeat the water to 50-60° can setting developed by the participants NTTM special design Bureau No. 1 of the Institute of power engineering Institute imeni G. M. Krzhizhanovskogo. Interestingly, there is no furnace or heaters. Replaces them… the sun. This setup is especially desirable in those areas of the country where local fuel is missing, and the cost of imported quite high.

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WHAT YOU REACTION?

WHAT YOU REACTION?Good response – what is it? More correct to say “speed of reaction” is the time that elapses between receipt of the alarm to the adoption of concrete measures. For example, the driver reaction time of 0.4 to 1 s depending on the complexity of the track conditions and the type of the vehicle managed by it.

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“DOMESTIC PRODUCT”

We have already talked about the commitment of the leadership of the Russian Navy, since the beginning of the first underwater vessels in its composition, to rely on their own development. It is worth noting that the transition from foreign models to domestic products proved to be very difficult, although some groundwork was there, and from the very beginning of the century. In 1900 the Naval Technical Committee (MTK) has created a special Commission, composed of the chief designer of the Russian submarines naval engineer I. G. Bubnov and teacher of Mine officer class M. N. Beklemishev, who visited all the major countries of “trendsetters” in the underwater case, including USA, England, Germany and Italy. (He later was in charge of acceptance of boats “the German series” – “Carp”. “Flounder” and “Carp”, and in the United States rather studied the works of Holland.)

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