Video Blast furnace, BOF si Steelmaking

Elaborare fonta in furnal:

http://www.youtube.com/watch?v=Yov7Z0rMyHI

Elaborare otel in convertizor BOF:

http://www.youtube.com/watch?v=qo50KxLU_34&feature=related

Elaborare otel (ruta BOS):

http://www.youtube.com/watch?v=Ea_7Rnd8BTM&feature=related