Steel

In this essay I am going to explain the steps it takes to make steel, why Nicolas Appert's method of preserving cooked food was so important for Napoleon's troops and what the effects of this technology in the modern society and how different kinds of steel can be used.
How is steel made?
First, the raw materials either iron ore or scrap iron, depending on the process are changed into molten steel. A blast furnace is used with the ore-based process and an electric arc furnace is used with the scrap-based process.
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