excavating machine

excavating machine

      any machine, usually self-powered, that is used in digging or earth-moving operations of some kind; the power shovel, bulldozer, and grader (qq.v.) are examples.

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Universalium. 2010.

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  • 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

  • power shovel — any self propelled shovel for excavating earth, ore, or coal with a dipper that is powered by a diesel engine or electric motor. Cf. shovel (def. 2). [1905 10] * * * ▪ tool       digging and loading machine consisting of a revolving deck with a… …   Universalium

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  • dipper — /ˈdɪpə / (say dipuh) noun 1. someone or something that dips. 2. a container with a handle, used for taking up liquids from a larger receptacle. 3. any of various birds of the genus Cinclus, family Cinclidae, as the white throated dipper, C.… …  

  • drag|line — «DRAG LYN», noun. 1. = dragrope (def. 2). (Cf. ↑dragrope) 2. an excavating machine with a boom on a rotating platform and cables for controlling a bucket. Draglines are used for dredging, excavating, and earthwork: »Draglines began creating… …   Useful english dictionary

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