Dragonball Z Mines Corporation (DZMC) operates strip coal-mining operation in southern Cebu province. Three mine sites (A, B, and C) currently are used, each producing coal of somewhat different sulfur and ash content. Coal from these sites is transported to a common crusher that grinds the coal into a finer mix. The coal is then washed to remove some of the sulfur and ash. In the washing process, the crushed coal is fed into a large tank containing a fluid. The cleaner coal floats and is removed for sale. Coal containing a heavier concentration of impurities sinks to the bottom and is discarded.
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