molten metal melting, operator work hard tapping molten metal from furnace to ladle for pouring - 冶金學 個影片檔及 b 捲影像00:20
male and female engineer talking at the foundry while observing the pouring of molten steel - 冶金學 個影片檔及 b 捲影像00:27
witnessing the arc furnace in action - intense heat, melting, and steel transformation! - 冶金學 個影片檔及 b 捲影像00:20
1914 montage b/w ws pan metal factory workers hoisting cylinders onto cart on street outside factory/ russia - 冶金學 個影片檔及 b 捲影像00:18俄羅斯
processed coal moving on conveyor belt in mining facility – industrial coal loading machine and material transport system in active quarry and coal mine - 冶金學 個影片檔及 b 捲影像00:05美國
witnessing the arc furnace in action - intense heat, melting, and steel transformation! - 冶金學 個影片檔及 b 捲影像00:23
aluminium melting, operator work hard tapping molten metal from ladle to holding furnace die casting machine - 冶金學 個影片檔及 b 捲影像00:22
slo mo ld sparks flying as the worker in protective clothing removing slag from the molten metal - 冶金學 個影片檔及 b 捲影像00:16
steel manufacture at the evraz plc consolidated west-siberian metallurgical plant in novokuznetsk. russia is the world’s no. 3 net steel exporter,... - 冶金學 個影片檔及 b 捲影像00:15
scientist checking texture of steel beneath microscope before and after a heat treatment in an open furnace / united kingdom - 冶金學 個影片檔及 b 捲影像00:21
metallurgists measuring the temperature of molten steel within a furnace and measuring out the raw ingredients to manufacture steel in a mill,... - 冶金學 個影片檔及 b 捲影像00:42
metallurgists and other scientists in laboratories and research facilities maintaining quality control for wartime industrial production / united... - 冶金學 個影片檔及 b 捲影像00:33
student heating a metal instrument in fire during metallurgy class / united kingdom - 冶金學 個影片檔及 b 捲影像00:08
strasbourg, france - classic technology of bell producing with melting steel to the ground / casting new bell for ebersmunster church in alsace. - 冶金學 個影片檔及 b 捲影像00:28
young factory worker wearing protective goggles/ men working with hot steel piping in metallurgical plant/ russia/ audio - 冶金學 個影片檔及 b 捲影像00:17
industrial workers parading back to factory with banners and flower bouquets/ people standing on height with flag/ men standing at furnace during... - 冶金學 個影片檔及 b 捲影像00:21
1914 montage b/w workers hoisting large cylindrical apparatus in metal factory in the historical region of izhora in the eastern baltic/ russia - 冶金學 個影片檔及 b 捲影像00:09俄羅斯
1914 montage b/w workers at metal factory furnace in the historical region of izhora, in the eastern baltic/ russia - 冶金學 個影片檔及 b 捲影像00:35俄羅斯