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What Was the Innovation That Significantly Improved the Quality of Iron

Question 73

Multiple Choice

What was the innovation that significantly improved the quality of iron in the eighteenth century?


A) Bessemer's converter
B) the French practice of using a double compartment furnace with one compartment for the coke or coal, the other for the iron
C) the Siemens-Martin open hearth process
D) the application of steam engines to pump water from mines
E) the conversion of cast iron into wrought iron

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