Ruda Slaska, Poland - November 05, 2015: Hydraulic support pillars in a tunnel ceilings of a coal mine

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Size: 4601px × 3450px
Location: Katowice, Polska
Photo credit: © Mirosław Nowaczyk / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: belt, bogie, building, cart, coal, coalface, construction, conveyor, derrick, dig, equipment, escape, exploit, flywheel, hard, heavy, iron, ladder, machines, metal, miner, mineral, mining, path, pit, pithead, precaution, road, rusty, safeguard, scary, security, shaft, spoil, stanchion, supporting, tracks, truc, truck, tunnel, ventilation, wagon, work