Shaft 1


Shaft 1 : (1) (Mech Eng) A mechanical bar, rod, or cylindrical member, such as a drive shaft, for transmitting power, usually by rotation or reciprocating action. (2) (Build) A passageway, usually vertical, as for an elevator, stair, utility conduits, air ducts, and the like. (3) (Mining) A vertical or inclined mine passageway used to find or mine ore, remove water, or to ventilate underground workings
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