Luis Horts works on designing props for wind turbines in the bilingual, project lead the way class at Escuela Vieau Middle School in Milwaukee, Wisconsin January 26, 2012 . With manufacturing companies complaining about a skills gap with today's students some schools are offering classes that prepare students for real world trade skills. After years of cutting workforces, manufacturing executives complain they cannot find enough people with skills needed to thrive in modern factories. Some 600,000 skilled manufacturing positions are currently unfilled in the United States, according to a survey by Deloitte and The Manufacturing Institute. PICTURE TAKEN ON JANUARY 26. REUTERS/Darren Hauck (UNITED STATES)