Blasts of cold air were blow through heated iron to remove impurities. The result was much stronger more workable than steel.
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A revolutionary 19th century process to convert iron into high quality steel using a cauldron of molten iron and coke through which air was blown at high pressure and volume, oxidizing impurities and allowing the precise control of carbon content.
increase steel production
Burr Ridge, Illinois
its a project of work .
through committee work