a. In bituminous coal mining, one who operates a coal-cutting machine to cut channels (a few inches wide) in coal, after the overlying ground has been removed, to partly detach coal in blocks so that it may be broken loose more easily by blasting. Also called channeler-machine operator; channel-machine operator. DOT
b. In the quarry industry, one who sets up and operates a track-mounted machine that cuts (drills) vertical channels (a few inches wide) in quarrystone in which wedges are driven to crack off a block from the mass. Also called channeler-machine operator; channeler runner; channel-machine operator; channel-machine runner. DOT
Source:
Dictionary of Mining, Mineral, and Related Terms












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