If inside an ordinary Popova brush glue flush with the bristle plate of hard rubber, it can not only sweep, but wash the floor: remember car wiper, where the rubber brush dry wipe the windshield of the cab.
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In such technical sports, such as motorcycle, automotive, karting, and beginner athlete and the more experienced master in competition or in training often have to drop out of the race...
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Ships rise into the air. From the moment when the English hovercraft (SVP) CR.N1 in July 1959, crossed the 32-mile Strait of Dover (or the better-known us — Pas-de-Calais) between the...
