Последние добавленные видео:
Underground-Coal
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12 years ago
59804 12 years ago 3:35UNDERGROUND COAL MINE
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10 years ago
459296 10 years ago 4:24Fully Mechanized Longwall Coal Production
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1 day ago
10 1 day ago 3:26Entering an active underground coal mine in Colorado
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2 years ago
7250 2 years ago 6:59Whitehaven Coal's Narrabri Underground Mine | virtual tour
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11 years ago
239575 11 years ago 2:54Underground Coal Mining
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11 months ago
20536189 11 months ago 1:01The Town on Fire for 60 Years 🔥 Centralia 📍Pennsylvania
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9 years ago
965643 9 years ago 5:02Inside the Resolution Copper Mine, 1.3 Miles Underground
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11 years ago
42504 11 years ago 2:46Underground Coal Gasification 3D Animation
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2 years ago
21149 2 years ago 12:48What an Underground Coal Mine Map Looks Like
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2 years ago
124837 2 years ago 16:05Underground Coal Mine | Bagdeva Project | SECL | Chhattisgarh- Highest Coal Production State - India
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8 years ago
2739702 8 years ago 4:43Digging for Hope: Inside an Ohio coal mine
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1 year ago
512 1 year ago 3:59Safety Instructions For Underground Coal Mines