Boom 01


Boom 01 : (1) (Fire Pr) The elevating beam of an aerial platform. See also: Articulated Boom; Telescoping Boom. (2) (Transp) A long spar used for handling cargo or to lift and swing loads over short distances. The boom projects from a mast, is pivoted or hinged at the heel, and its point is supported by chains, ropes, or rods to the upper end of the mast. A rope for raising and lowering loads is reeved through sheaves or a block at the boom point
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