nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:10
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:10
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:10
time-lapse of coal mine operations with moving lights and machinery during twilight hours - 礦內工作區 個影片檔及 b 捲影像00:08
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:10
nighttime coal mining operation with excavators and trucks transporting coal to conveyor belts - 礦內工作區 個影片檔及 b 捲影像00:09
time-lapse of coal mine operations with moving lights and machinery during twilight hours - 礦內工作區 個影片檔及 b 捲影像00:08
time-lapse of coal mine operations with moving lights and machinery during twilight hours - 礦內工作區 個影片檔及 b 捲影像00:08
"bootleg coal given study by gov earle" / ext coal mine / pa gov. george howard earle and other officials walking towards mine, snow on ground /... - 礦內工作區 個影片檔及 b 捲影像02:15
european election campaign: cornwall; england: cornwall: west penwith region: pendeen geevor tin mine:intmep conservative candidate christopher... - 礦內工作區 個影片檔及 b 捲影像01:29
typed card describing clip / overhead edward riding in carriage over bridge / closer street level shot of edward riding in carriage down street,... - 礦內工作區 個影片檔及 b 捲影像02:21
aerial video showing mounds of earth left from opal mining, coober pedy, south australia, australia - 礦內工作區 個影片檔及 b 捲影像00:18
mines, ride in lorry, on "glück auf!" sign, half long shot, pictures from the berchtesgaden salt mine. - 礦內工作區 個影片檔及 b 捲影像00:28
mines, ride in lorry, half long shot, pictures from the berchtesgaden salt mine. - 礦內工作區 個影片檔及 b 捲影像00:11
during the construction of boulder dam, later renamed hoover dam, workers chisel rock off the canyon's cliffs. the dam is built and the gate is... - 礦內工作區 個影片檔及 b 捲影像00:28
towering over the colorado river, boulder dam, later renamed hoover dam, is filmed during the beginning of its construction. mine carts and cars are... - 礦內工作區 個影片檔及 b 捲影像00:25
following 8 years of construction, a wide shot shows the recently completed hoover dam, nevada, u.s.a., 1936. - 礦內工作區 個影片檔及 b 捲影像00:11
in the middle of the desert, a gold mine shaft drops a bucket full of dirt and minerals into a troth, followed by a miner pulling a cart on a track... - 礦內工作區 個影片檔及 b 捲影像00:13美國
operation inside of steel mill, hot molten lead pouring into vat / hot lead / large smelting post inside steel mill / men in mines on little carts... - 礦內工作區 個影片檔及 b 捲影像00:47
mine area / tower over mine shaft / vs miners stepping up to counter to get lanterns / miner walking along holding lanterns / line of miners walking... - 礦內工作區 個影片檔及 b 捲影像01:34