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第八章 The Industrial Revolution 工业革命 (第8/47页)
were able to move up the rungs of the social class ladder in British society, thus improving their financial and educational statuses. Alongside new inventions came exciting discoveries in medicine, providing for better treatments of diseases and thus promoting the overall health of British society. Scientific advancements of the time included new metal–production techniques, which aided a greater production of more durable metals, such as stronger steel, now made cheaper to produce. The improvement of steel production specifically helped cities to construct sturdier buildings which had fewer fire and other safety hazards. Along with construction improvements in cities, electricity was
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