THREE SOLDERING IRON IN ONE

THREE OF A SOLDERING IRON IN ONEMore precisely, one (50 or 65 watts), operating in three modes. Design advantages: constant availability, visual inspection of the three modes, etc. All provide automation. Power consumption in the idle — 15 watts (on L2), in the normal operating — 45 W (L2 and L3), and overheating — 50 W (L3). Changing modes 2 and 3 is made by the switch B1, in standby mode, by overlapping the luminous flux from L1 to K3 with the handle of the soldering iron.

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THE PLANE OF THE TRANSITION PERIOD

PLANE TRANSITIONThe period between the two world wars represents a considerable interest to historians of technology, and first equipment of aviation. The aircraft of this time, the construction of which has absorbed the existing scientific, technical and technological achievements, remained nevertheless the bearers of the greatest characteristics of the airplanes of the First world war.

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A NEW GENERATION OF GENERALISTS

A NEW GENERATION OF UNIVERSALSBy the mid 80-ies of XX century, the naval experts of the countries of the West had no doubt that the most advanced class of surface ships in the foreseeable future will remain the frigates. These versatile ships-rocket carriers have been very numerous in the seas and oceans under the flags of different countries at the time, swam at least 350 frigates, and their “population” continued to rise steadily. They actually replaced the cruisers and destroyers in most countries of the world, becoming the largest combat units in their fleets. Of course, the attitude towards them has changed: the design and construction of the frigate now began to approach more carefully, trying to avoid the rush and the use of untested solutions.

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PLOW? NO MOWING

PLOW? NO MOWINGPerhaps no one in the right mind would plant potatoes otherwise than in the ground. And complexity used in this conventional technology well known. And because of the large gardens still uncommon, on small plots apply to any mechanization difficult, and so most of the work is done manually.

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WITH A QUICK YAK

THE FASTEST YAKYak-9All fighter planes, created in OKB A. S. Yakovlev in the years of the great Patriotic war, represent a further development of the Yak-1. Continuous improvement of this machine led to the emergence of “sub-species”, which closed the Yak-9U with the engine VK-107A.

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