The best airplane mechanics are skilled at everything from metal part fabrication to electronics to lavatory plumbing. Other, better-paying companies soon become interested in their skills. Courtesy AAR hide caption

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A worker stands next to an array of Sharp solar cell modules at a power plant south of Tokyo in August. Sharp was one of 1,400 solar panel manufacturers in attendance at the Solar Power International conference, where industry optimism was high.

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In times of drought, the Twin Oaks Aquifer Storage and Recovery Facility pumps water up from underground and sends it back to San Antonio for use. The facility uses water from the Edwards Aquifer and the Carrizo Aquifer. Paul Robinson/San Antonio Water System hide caption

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Texas Gov. Rick Perry waves to the crowd after speaking at an anti-abortion rally on the Capitol steps in Austin on Jan. 23, 2010. Jack Plunkett/AP hide caption

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Mike Toomey (foreground), former chief of staff to Texas Gov. Rick Perry, watches primary election returns with other staffers in Austin in 2006. Harry Cabluck/AP hide caption

itoggle caption Harry Cabluck/AP