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A dentist demonstrates on a dental patient robot at its unveiling ceremony at Showa University in Tokyo in this March 25, 2010 file photo. Three-fourths of robot installations over the next decade are expected to be concentrated in four areas: transportation equipment, including the automotive sector; computer and electronic products; electrical equipment and machinery. Labor costs have climbed in countries such as China that have been popular for outsourcing production, while technological advances for robots allow them to be more flexible and perform more tasks. (Photo by Kim Kyung-Hoon/Reuters)
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