iron processing | BritannicaJan 8, 2010 . Iron processing, use of a smelting process to turn the ore into a form from which . used as a source of iron before 3000 bc, but extraction of the metal from ores .. Crushed ore is divided into various fractions by passing it over.before iron ore crushed,Mining Industry: What are good ways to layout iron ore crushing .You can refer to this layout of iron ore crushing machine as the following video. Hope it can help you.
before iron ore crushed