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Explain the inventions that made skyscrapers a more practical form of construction

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EthanLawhead
icenses that give aninventor the exclusive right to make, use, or sell an invention ... In 1885, he began to experiment with aform of electricity called alternating ... of steel, which made steel cheap and easy to use for theconstruction of new ...
Skyscrapers took up less space and instead of being built more outward the were more upward

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