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a steel-making, now largely superseded, in which carbon, silicon, and other impurities are removed from molten iron by oxidation.

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He invented the first manufacturing device for steel

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He invented the first manufacturing device for steel

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this device processes steel in a faster and easier way and the steel is used for houses, buildings, skyscrapers, etc.

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A type writer was used for writing documents and papers for all types of reasons and it was a lot faster and easier to write long paged papers and documents

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First American to successfully drill for oil

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First American to successfully drill for oil

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After many people trying to drill for oil, Edwin Drake was the first successful person to do so.

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The light bulb is used for light and so you can see in the dark

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the telephone is used to call people from anywhere in the world.