Последние добавленные видео:
long-wall-coal-mining
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11 years ago
175540 11 years ago 1:45Longwall Mining Operation - F.T.I. Pty Ltd
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10 years ago
459738 10 years ago 4:24Fully Mechanized Longwall Coal Production
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4 years ago
23486 4 years ago 1:21What is longwall mining?
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3 years ago
94737 3 years ago 17:31“SAFETY IN LONGWALL MINING” 1970S COAL MINE SAFETY TRAINING FILM XD49364
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Streamed 3 days ago
134 Streamed 3 days ago 1:41:02CMR 2017 - Chapter 11 - Part 05- Stone Dust Barrier
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11 years ago
24878 11 years ago 2:07Longwall Salvage Shield Extraction - F.T.I. Pty Ltd
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7 years ago
201296 7 years ago 1:02Komatsu longwall shearer
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1 year ago
41382 1 year ago 3:56HBT The Principle of Longwall Top Coal Caving (LTCC)
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13 years ago
158720 13 years ago 5:32Longwall Mining
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9 years ago
28485 9 years ago 1:363D engineering display of low seam longwall coal mining technology
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6 years ago
21007 6 years ago 2:46Welcome To Glencore's Ulan West Coal Mine: Longwall Legerity | Sandvik Mining and Rock Technology
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2 years ago
5652 2 years ago 1:21Longwall coal mining method; an efficient coal extraction method! #longwallmining #coalmining
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13 years ago
210211 13 years ago 1:39Bailey Coal Mine in Wind Ridge Pa. serves up 45,000 tons of coal per day
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1 year ago
96469 1 year ago 25:32The Fascinating Story Of Underground Mining AND The DANGERS Within - DOCUMENTARY
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8 years ago
810 8 years ago 3:58The Principle of Longwall Top Coal Caving LTCC