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Poor workers were often housed in cramped, grossly inadequate quarters. Working conditions were difficult and exposed employees to many risks and dangers, including cramped work areas with poor ventilation, trauma from machinery, toxic exposures to heavy metals, dust, and solvents.
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Answer: The work of Isaac Newton identified certain laws of physics "laws of motion" that helped define the movement of the planet around the sun, thus further confirm the idea that sun was center of solar system, an idea which had been earlier proposed by Nicolaus Copernicus, an astronomer from Poland.
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