Pig Iron
Pig Iron
Pig Iron en PortalulTauTV. Iron ore is super heated in a blast furnace to make pig iron, which in turn is used to produce steel. The making of steel is a continuous process. Pig iron is moved from the blast furnace to the steel plant by railroad. The trains are operated by remote control.
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- Țară: South Korea, United States
- Director: James Benning
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