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"The invention of the sewing machine revolutionized both the textile industry and home sewing. By significantly speeding up the process the sewing machine reduced labor costs, which in turn reduced the cost of clothing. The result was that clothes once considered luxurious were now available to most people around the world. Take our quiz to test what you know about this brilliant invention."^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/sewing-machine-quiz.htm>