Gov. John Baldacci, center left, watches from below with David Harrison as Justin Alberico of Skowhegan prepares to demonstrate the finer points of rappelling on Tuesday, Dec. 8, at Harrison Shrader Enterprises-Gould Training Facility in South Portland. A group of Mainers were being trained to work safely on the state’s growing population of wind turbine towers. The project is possible through a federal grant and the North Star Alliance Initiative.