Coking Coal

Coking coal, a bituminous coal type also known as metallurgical coal or steel-making coal, is baked in a coke oven which forces out impurities to produce coke, which is almost pure carbon.

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Iron Ore

Iron ore is an unrefined iron, a native compound of iron (as hematite, limonite, magnetite, siderite, goethite, and the bog and clay iron ores) from which the metal may be profitably extracted.

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