three-shift cyclic mining
three-shift cyclic mining
[′thrē ¦shift ′sī·klik ′mīn·iŋ] (mining engineering)
A system of cyclic mining on a longwall conveyor face, with coal cutting on one shift, hand filling and conveying on the next, and ripping, packing, and advancement of the face conveyor on the third shift.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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