Cut the ribbon at the ceremonial opening of the Central exhibition NTTM-80 at ENEA USSR — a kind of finish of the third, final stage of all-Union review of scientific and technical creativity of youth, which was dedicated to the 110th anniversary of Lenin’s birth. In the halls of 20 thousand exhibits in the country — 20 million boys and girls, young innovators, making a creative contribution to the acceleration of scientific and technical progress. During the four years of the tenth five year plan participants NTTM various sectors of the economy developed more than 4 million rationalization proposals, inventions, giving a saving of over RUB 5 billion.DISCRETE CUTTER
Who ever cut on a lathe a series of identical parts of complex shape, he knows how difficult it is to do the same in their configuration. In the secondary school № 2 of Donetsk city under the guidance of the teacher labor B. F. Otchenashenko for such purposes, the children developed a cutter, the Read more…
This area may be under the stairs not only in the country with an attic, but in the modern duplex apartments as living room and kitchen downstairs, and bedrooms upstairs. And usually this “Appendix” is seldom used as such, even a small space can be equipped diligently and thriftily, and, as evidenced by the Polish magazine “Throb himself”, is available for solo performances of pieces of furniture. The more that trade provides such a convenient and non-deficient materials, such as particleboard, furniture Board, wooden bars, wooden boards, slats, which can be treated with the usual household tools such as a hacksaw, drill, jigsaw, chisels, and screwdrivers and, of course, a hammer.
Spring, source, key all of these names refer to the mysterious place where no one knows where from under the earth breaks a timid trickle of clean and cool water. All peoples have always been anxious and careful attitude to such a place, because as suddenly appeared this source, so suddenly he could disappear, no one knows why. Spring tried to protect, to arrange so that nothing threatened this vulnerable stream and you can use this natural gift as long as possible.
When the device watering system for garden plot or in the garden many problems arise when it is necessary to bend a metal tube. Meanwhile. not that hard to assemble a simple machine (see picture) for flexible aluminium, copper and thinwalled steel tubes with an outer diameter of 20 mm.
After a paper dove, the boys are starting to build paper airplanes and send them flying from the balconies of the upper floors. Here it is born the love for model airplanes?