The Bessemer Process was an early method for producing steel in large quantities. It involved blowing air through molten pig iron in a furnace to remove impurities and carbon, creating a more durable and versatile metal. Today, there are several synonyms for the Bessemer Process, including the pneumatic process, the air-molten pig iron process, the Bessemer-Bosh process, and the Bessemer-Mushet process. Each of these variants has its own unique nuances and differences, but all share the same objective of transforming raw materials into high-quality steel through the application of heat and oxygen. Despite its historic significance, the Bessemer Process has now largely been replaced by more modern steel-making techniques.