a foggy day at a coal mine with a wide shot of a conveyer belt whisking coal away with machinery and buildings in the background. stock video. energy. natural resource. - 挖掘機器 個影片檔及 b 捲影像00:24
a foggy day at a coal mine with a shot of a conveyer belt whisking coal away. stock video. energy. natural resource. - 挖掘機器 個影片檔及 b 捲影像00:14
at an underground coal mine, pieces of coal move on a conveyer belt. stock video. energy. natural resources. - 挖掘機器 個影片檔及 b 捲影像00:14
at an underground coal mine, pieces of coal move on a conveyer belt in slow motion. stock video. energy. natural resources. - 挖掘機器 個影片檔及 b 捲影像00:23
wide shot of a coal tower dumping the coal on the pile with bulldozer working and birds watching on from the top of the tower. stock video. - 挖掘機器 個影片檔及 b 捲影像00:27
static shot of a long coal belt with cover and a tower in the background. stock video. - 挖掘機器 個影片檔及 b 捲影像00:20
cars drive in slow motion out of a dusty parking lot at a coal mine. stock video. - 挖掘機器 個影片檔及 b 捲影像00:28
above ground at an underground coal mine. wide shot of the industrial buildings, coal processing plants, and machinery with tractor in the background. stock video. - 挖掘機器 個影片檔及 b 捲影像00:14
a continuous miner drives it's round teeth-filled drum through a coal wall and then turns on, digging out more coal in the underground mine. stock video - 挖掘機器 個影片檔及 b 捲影像00:21
the back end of a coal mining hauler dumping coal on conveyer belt inside undergound coal mine. stock video. - 挖掘機器 個影片檔及 b 捲影像00:26
coal mining hauler with coal drive through underground coal mine with power cable attached as it passes by. stock video. - 挖掘機器 個影片檔及 b 捲影像00:13
close up of car exiting underground coal mine shaft with coal belt in the foreground. artistic angle. industrial. americana. american jobs. stock video. - 挖掘機器 個影片檔及 b 捲影像00:09
wide shot with landscape of car exiting underground coal mine shaft with coal belt in the foreground. industrial. americana. american jobs. stock video. - 挖掘機器 個影片檔及 b 捲影像00:16
coal miner using remote control to operate a continuous miner used in underground coal mining. stock video. - 挖掘機器 個影片檔及 b 捲影像00:16
continuous miner drum moving into place. used in underground coal mining. stock video. - 挖掘機器 個影片檔及 b 捲影像00:12
close up of roof pin rebar being drilled into the roof of an underground coal mine. stock video - 挖掘機器 個影片檔及 b 捲影像00:12
driving through underground coal mine past walls of coal. stock video. handheld. - 挖掘機器 個影片檔及 b 捲影像00:19
continuous miner drum spinning and stopping. used in underground coal mining. stock video. - 挖掘機器 個影片檔及 b 捲影像00:23
continuous miner used in underground coal mining digs out ceiling with sparks. stock video. - 挖掘機器 個影片檔及 b 捲影像00:29
continuous miner drum in slow motion spins, spitting out coal and debris. used in underground coal mining. stock video. - 挖掘機器 個影片檔及 b 捲影像00:29
continuous miner used in underground coal mining. multiple views. handheld. stock video. - 挖掘機器 個影片檔及 b 捲影像00:20
continuous miner used in underground coal mining stops and reverses. stock video. - 挖掘機器 個影片檔及 b 捲影像00:17
dramatic angle of a continuous miner used in underground coal mining. stock video. - 挖掘機器 個影片檔及 b 捲影像00:14
close up of a continuous miner drum used in underground coal mining. stock video. - 挖掘機器 個影片檔及 b 捲影像00:23
continuous miner used in underground coal mining digging out coal. stock video. - 挖掘機器 個影片檔及 b 捲影像00:36
continuous miner used in underground coal mining. handheld view with multiple angles and view sizes. stock video. - 挖掘機器 個影片檔及 b 捲影像00:26
worker navigates extensive landfill site amidst piles of garbage and operating heavy machinery - 挖掘機器 個影片檔及 b 捲影像00:13
wet concrete foundation rebar construction building site formwork pouring reinforcement cement structure with steel cage trench footing rough slab surface - 挖掘機器 個影片檔及 b 捲影像00:14
water chute concrete construction trench soil drainage boot outdoor flow wet concrete pour into excavation muddy ground spade digging foundation site manual earthwork close view - 挖掘機器 個影片檔及 b 捲影像00:07
reinforcement rebar trench concrete construction foundation steel soil excavation building site with metal cage wet footing pouring cement in dug earth ground work - 挖掘機器 個影片檔及 b 捲影像00:12
gravel shovel construction outdoor dirt tool gray work garden soil cement mix pouring material wet mortar rough texture manual building labor ground close view blurred motion - 挖掘機器 個影片檔及 b 捲影像00:13
foundation excavation concrete rebar construction footing steel soil column trench work with reinforcement wet concrete column base inside earth trench building groundwork - 挖掘機器 個影片檔及 b 捲影像00:13
concrete foundation rebar excavation construction footing steel trench wet concrete building site with formwork soil wall pouring cement reinforced base column cage structural work - 挖掘機器 個影片檔及 b 捲影像00:11
concrete foundation rebar construction site wet cement pour steel cage trench formwork groundwork with steel grid footing pit for industrial building structure reinforcement - 挖掘機器 個影片檔及 b 捲影像00:14
concrete foundation rebar construction site wet cement formwork footing trench building steel cage rough ground timber frame structural base pouring - 挖掘機器 個影片檔及 b 捲影像00:12
concrete foundation rebar construction pouring wet concrete into steel reinforcement formwork trench with footing cement metal support at building site rough soil wall - 挖掘機器 個影片檔及 b 捲影像00:14
concrete foundation construction site with wet cement, rebar, trench, building slab, excavation footing, formwork, muddy soil, pipe, steel reinforcement for structural base preparation - 挖掘機器 個影片檔及 b 捲影像00:15
concrete foundation construction rebar footing formwork cement building excavation pour wet cement filling reinforced trench structural base preparation site ground footing formwork - 挖掘機器 個影片檔及 b 捲影像00:13
concrete foundation construction cement rebar formwork pouring building wet site with steel reinforcement wooden frames gray slab excavation at jobsite - 挖掘機器 個影片檔及 b 捲影像00:10
concrete construction foundation rebar cement formwork trench worker pouring fresh mix into steel reinforcement frame building site rugged ground with chute pour soil preparation - 挖掘機器 個影片檔及 b 捲影像00:13
concrete chute pour foundation trench rebar construction worker wet cement building site daylight structural footing formwork steel cage material labor outdoor project - 挖掘機器 個影片檔及 b 捲影像00:12
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:11
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:17
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:25
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:17
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:15
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:37
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:16
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:24
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:30
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:30
an excavator digs and removes soil along a waterway, widening the canal to improve water flow and drainage capacity. - 挖掘機器 個影片檔及 b 捲影像00:20