coal blasting

coal blasting

[′kōl ‚blast·iŋ]
(mining engineering)
Breaking coal with explosives.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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20 hydraulic powered supports were vibrated in the coal mining face, miners were lifted by the floor, and the coal blasting sound of the coal wall was frequent and serious.
Machinery such as shearers, continuous miners and face conveyor belts are also shown, as well as footage of coal blasting.