Steel Manufacturing (Including Blast Furnace and BOS)
14:05
Steel Making and Casting (Principles of Metallurgy)
22:28
Visit Large German Steel Mills. Production Of Colombia Machetes and Vietnam Electric Pliers Factory
2:34
ネコ缶周回しよう！
19:35
Smelting Iron from ROCKS (Primitive Iron Age Extraction)
15:51
How STEEL is MADE in Great Britain!
46:44
Making Steel
19:02
Processus de fabrication de fil machine en acier avec du minerai de fer
33:30