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coal mining pillar extraction in haiti

INITIAL PILLAR EXTRACTION EXPERIENCE Pillar extraction commenced at Tasman Mine in Marc h 2008 The panel was developed for full extraction using a modified Wongawilli layout Fullheight caving did not eventuate During extraction the coal tops were observed to fall but the Awaba Tuff unit was routinely seen to span distances greater than 50 m... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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