Siemens Plant Puts a Charge Into U.S. Manufacturing Siemens unveils a state-of-the-art assembly plant in Charlotte, NC. John Sprovieri January 25, 2012 A Siemens gas turbine is 36 feet long and weighs 280 tons—and yet its parts are machined to tolerances of a few thousandths of an inch. ASSEMBLY magazine's editor-in-chief goes behind the scenes to see how this engineering marvel is made.Read More