Raw materials , packing materials brought into the crater furnace Heat oven to burn coke combustion reactions extract oxygen from iron ore combined with the carbon in coal. Make iron ore into steel melt flow down to the bottom of the furnace, limestone inserted to fuse with impurities into slag (Slag) floating on the water's crude steel in molten iron ore it produces gas. High heat This led to a gas furnace, hot air. To bring the heat back to help in burning more crude molten steel from the furnace to pour into the prepared pan. The yield is a crude steel. Which can be used to produce steel to other raw materials imported raw materials packed into the crater furnace Heat oven to burn coke combustion reactions extract oxygen from iron ore coming together. the carbon in coke Make iron ore into steel melt flow down to the bottom of the furnace, limestone inserted to fuse with impurities into slag (Slag) floating on the water's crude steel in molten iron ore it produces gas. High heat This led to a gas furnace, hot air. To bring the heat back to help in burning more crude molten steel from the furnace to pour into the prepared pan. The yield is a crude steel. Which can be applied to other types of steel.
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