In this May 19, 2011 photo, line worker Dave Zamora works on a pre-production Chevrolet Sonic at the General Motors Orion Assembly plant in Orion Township, Mich. A private trade group says that ... more 
In this May 19, 2011 photo, line worker Dave Zamora works on a pre-production Chevrolet Sonic at the General Motors Orion Assembly plant in Orion Township, Mich. A private trade group says that manufacturing activity in June recovered somewhat from a sharp slowdown in May.(AP Photo/Paul Sancya) less 
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Associated Press | Photo By Paul Sancya
Fri, Jul 1, 2011 10:14 AM EDT