The consumer version of the Hummer H3 and H3T pickup are assembled at the GM plant in Shreveport, La.

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Of course, the same could be said of big-ticket weapons systems, but those tend to be assembled in a single plant somewhere, whereas joint finance, logistics, networking and other functions are each conducted at numerous sites from Norfolk to San Diego.

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The motor and drive unit are assembled at GM's Baltimore operations plant in White Marsh, Md.

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The Deeside factory produces fully-assembled petrol engines for Toyota's vehicle manufacturing plant at Burnaston, Derbyshire where the Auris and Avensis models are produced.

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Called Moto X, the phone will be assembled at a 500, 000-square-foot plant near Fort Worth, Texas, that will employ about 2, 000 people.

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Importantly, LEAF is now assembled in the United States at Nissan's Smyrna, Tenn. assembly plant, with battery production taking place right next door in the country's largest lithium-ion automotive battery plant.

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Factories are heavily overmanned: a South Korean car-worker assembled, on average, 26 cars last year, while somebody working at Nissan's British plant made nearly three times as many.

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