worker supervises the flow of hot liquid metal as it flows from a furnace during the smelting process at the nadezhda metallurgical plant, operated... - 冶金學 個影片檔及 b 捲影像00:58
worker supervises the flow of hot liquid metal as it flows from a furnace during the smelting process at the nadezhda metallurgical plant, operated... - 冶金學 個影片檔及 b 捲影像01:36
interior footage of the united states steel corporation edgar thomson plant as steel is processed in braddock, pennsylvania on june 22 shots: wide... - 冶金學 個影片檔及 b 捲影像01:04
generic footage outside the darkhan metallurgical plant in darkhan, mongolia on august 14, 2017. photographer: taylor weidman - shots: wide shot of... - 冶金學 個影片檔及 b 捲影像01:17
generic footage outside the darkhan metallurgical plant in darkhan, mongolia on august 14, 2017. photographer: taylor weidman - shots: wide shot of... - 冶金學 個影片檔及 b 捲影像01:03
generic footage outside the darkhan metallurgical plant in darkhan, mongolia on august 14, 2017. photographer: taylor weidman - shots: very wide shot... - 冶金學 個影片檔及 b 捲影像01:54
footage of a statue of a worker outside the darkhan metallurgical plant in darkhan, mongolia on august 14, 2017. photographer: taylor weidman -... - 冶金學 個影片檔及 b 捲影像01:13
after announcing massive investments to modernise france's metallurgical industry arcelor mittal president lakshmi mittal met with prime minister... - 冶金學 個影片檔及 b 捲影像01:16