drone, industry and machinery for excavation or mining of copper, iron or gold resources outdoor. environment, landscape and process with mine or quarry to dig for coal, uranium or zinc for fuel - 鋅 個影片檔及 b 捲影像00:08
mining, quarry and lake drone for dig dirt extraction, mineral geology for metal. soil, water and diamond sand pit or equipment for copper industry or fossil excavator for silver, zinc or rock stone - 鋅 個影片檔及 b 捲影像00:16
liquid silver pours from casting wheel into molds / worker rotates circular table covered with silver molds / furnace door swings open to reveal... - 鋅 個影片檔及 b 捲影像01:09
worker inspects a copper cathode sheet as it cools in the copper smelting shop at the uralelectromed ojsc copper refinery, operated by ural mining... - 鋅 個影片檔及 b 捲影像00:54
men driving lead mining truck filled w/ rocks, lead ore, out of mountain mine. men working in lead, zinc refinery in sidi boubker stirring molten... - 鋅 個影片檔及 b 捲影像00:19
drone, industry and transportation for excavation or mining of copper, iron or gold resources outdoor. environment, landscape and machinery with geological mine to dig for coal, uranium or zinc - 鋅 個影片檔及 b 捲影像00:17
drone, geology and quarry for excavation or mining of copper, iron or gold resources outdoor. environment, landscape and machinery with industrial mine to dig for coal, uranium or zinc for fuel - 鋅 個影片檔及 b 捲影像00:11
drone, process and quarry for excavation or mining of copper, iron or gold resources outdoor. environment, landscape and machinery with mine on roadside to dig for coal, uranium or zinc for fuel - 鋅 個影片檔及 b 捲影像00:07
drone, landscape and quarry for excavation or mining of copper, iron or gold resources outdoor. aerial, landscape and geology with industrial mine on roadside to dig for coal, uranium or zinc - 鋅 個影片檔及 b 捲影像00:05
drone, industry and quarry for excavation or mining of copper, iron or gold resources outdoor. environment, landscape and geology with mine on roadside to dig for coal, uranium or zinc for fuel - 鋅 個影片檔及 b 捲影像00:05
southwestern states (2nd edition) - part 14 of 19. traces population trends and explains geographical features by means of animated maps. illustrates such occupational activities as irrigation, stock raising, agriculture, mining, and oil extracting and re - 鋅 個影片檔及 b 捲影像00:35
the replacement reaction of ferric(iii) chloride with aluminum produced many bubbles, but no iron elemental - 鋅 個影片檔及 b 捲影像00:05
the replacement reaction of ferric(iii) chloride with aluminum produced many bubbles, but no iron elemental - 鋅 個影片檔及 b 捲影像00:07
ms td facade of berlin jewish museum designed by daniel libeskind, berlin, germany - 鋅 個影片檔及 b 捲影像00:14
ms la pan facade of berlin jewish museum designed by daniel libeskind, berlin, germany - 鋅 個影片檔及 b 捲影像00:21