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Sir Henry Bessemer invented this furnace that creates "Bessemer steel" by burning carbon out of cast iron.

Bessemer Converter

Sir Henry Bessemer invented this furnace that creates "Bessemer steel" by burning carbon out of cast…

A machine that blasts hot air to produce temperatures from 600 to 900 degrees Fahrenheit.

Blast Furnace

A machine that blasts hot air to produce temperatures from 600 to 900 degrees Fahrenheit.

A machine used to excavate land.

Steam Shovel

A machine used to excavate land.