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Detroit is the leading centre of automobile industry and the largest automobile supplier in the world, the important transport nodal point and the main port of the Great Lakes |
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Besides the largest collection of antique automobiles, in Detroit's Henry Ford Museum are presented steam-engines, airplanes, motocycles, bicycles and other old-time machinery |
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Thomas Edison's laboratory, opened in Menlo Park in 1876 and named "the inventions factory" was the first in the world large scientific-research center |