Employee Eric Callaway makes a repair to the exterior of a wind turbine blade at TPI Composites, Inc., in Newton, Iowa, U.S., on Friday, June 22, 2012. The company makes blades for General Electric Co's renewable energy business. Photographer: Daniel Acker/Bloomberg *** Local Caption *** Eric Callaway
Employee Jennifer Gilkison uses a sander as she prepares a finished wind turbine blade for paint at TPI Composites, Inc., in Newton, Iowa, U.S., on Friday, June 22, 2012. The company makes blades for General Electric Co's renewable energy business. Photographer: Daniel Acker/Bloomberg *** Local Caption *** Jennifer Gilkison