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An instructor with Madisonville Community College in Hopkins County, Ky., demonstrates a simulator for a 140-ton mining dumptruck as part of the Official Dedication of the $16-million Brown Badgett Sr. Energy & Advanced Technology Center on April 17, 2009. The tech center has more than $3 million invested in equipment simulators, second in Kentucky only to the U.S. Army at Fort Campbell and Fort Knox.