But, beginning with the nineteenth century, the situation had change. “His capacity is no longer so limited; man has now learned to manufacture power and with the manufacture of power a new epoch began.”

unprecedented quantities of stone had to be cut, blasted, crushed, and shaped, and even greater volumes of soil, sand, and clay had to be moved, emplaced, or incorporated in bricks and concrete in just a few decades in order to span countries with railways and better roads, to house the millions of former peasants who moved every year to cities,

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