Презентация по теме "Изобретения"

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history The first washing machines represented a wooden box with a mobile frame

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The automatic washing machine The automatic car is characterized by the minimum participation of the person in its work. Usually it has constant connection to the electric system, plumbing and sanitary, therefore for washing it is necessary to load only things, to fall asleep a washing-up liquid and to choose the washing program.

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The basic operations which are carried out by the automatic washing machine Washing Plums Otjim Rinsing Drying

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Washing programs Set of parameters of washing is called as the program and is set by the user of the car before the washing beginning. Some operations can be present as separate programs.

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Theme Match

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Principal views of modern matches On a material of a match stick of a match it is possible to subdivide on wooden (made of soft breeds of a tree — aspens, lindens, a poplar, the American white pine), cardboard and wax (paraffin — made of the cotton plait impregnated with paraffin). In Russia the most widespread are aspen the matches making more of 99 % of let out matches.

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Burning temperature In a match temperature of a flame 750-850 °С, thus 300°С - the temperature of ignition of a tree, and temperature of burning of a tree equals approximately 800 — 1000 °С.

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packing

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Special matches Storm (hunting) — burning on a wind, in dampness and in the rain. Thermal — developing at burning more high temperature and heads giving at combustion heat considerable quantity. Alarm — giving at burning a color flame.

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Special matches Photographic — giving the instant bright flash used at photographing. Chimney — very long matches to light fireplaces. Gas — hardly shorter, than chimney to light gas torches.

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Special matches Decorative (gift, collection) — the limited releases of boxes with various drawings (like stamps), matches often had a color head (pink, green). Economic — had, as now speak, «economic packing».

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Museums of matches Museums of matches exist in Sweden, Switzerland and Germany. The small museum of matches is in Russia — in Rybinsk .