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chain-bucket dredge

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См. также в других словарях:

  • dredge — dredge1 /drej/, n., v., dredged, dredging. n. 1. Also called dredging machine. any of various powerful machines for dredging up or removing earth, as from the bottom of a river, by means of a scoop, a series of buckets, a suction pipe, or the… …   Universalium

  • bucket — /buk it/, n., v., bucketed, bucketing. n. 1. a deep, cylindrical vessel, usually of metal, plastic, or wood, with a flat bottom and a semicircular bail, for collecting, carrying, or holding water, sand, fruit, etc.; pail. 2. anything resembling… …   Universalium

  • dipper dredge — noun also dipper shovel : a floating dredging machine with a single machine operated bucket working on an arm * * * dipper dredge, a floating dredge that has a large scoop shovel or dipper that hangs on a chain from a derrick. Both the dipper and …   Useful english dictionary

  • Dredging — Dredge redirects here. For other uses, see Dredge (disambiguation). Dredgers redirects here. For the German municipality, see Dreggers. Dredging is an excavation activity or operation usually carried out at least partly underwater, in shallow… …   Wikipedia

  • mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

  • harbours and sea works — Introduction harbour also spelled  harbor        any part of a body of water and the manmade structures surrounding it that sufficiently shelters a vessel from wind, waves, and currents, enabling safe anchorage or the discharge and loading of… …   Universalium

  • Steam shovel — A steam shovel is a large steam powered excavating machine designed for lifting and moving material such as rock and soil. It is the earliest type of power shovel.Origins and development The steam shovel was invented by William Otis, who received …   Wikipedia

  • placer mining — ☆ placer mining [plas′ər ] n. mining of placer deposits by washing, dredging, or other hydraulic methods * * * Oldest method of recovering gold from alluvial deposits. It takes advantage of gold s high density, which causes it to sink more… …   Universalium

  • Marion Steam Shovel (Le Roy, New York) — Marion Steam Shovel U.S. National Register of Historic Places …   Wikipedia

  • Dragline excavator — Page 725 dragline at Turkish Coal Association Yenikoy Open Pit Coal Mine, Milas …   Wikipedia

  • Bude Canal — The Bude Canal was a canal built to serve the hilly hinterland in the Devon and Cornwall border territory in the United Kingdom, chiefly to bring lime bearing sand for agricultural fertiliser.It was remarkable in using inclined planes to haul tub …   Wikipedia

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