Topic Content:
- Types of Furnaces Used in Making Metals
- Bessemer Converter, Open-Hearth, Blast Furnace, etc.
Bessemer Converter: The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open-hearth furnace.

Open-Hearth Furnace: This is a furnace in which excess carbon and other impurities are burnt out of pig iron to produce steel.

Blast Furnace: This furnace is used to convert
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