They're used in the aerospace industry, in ships and wind turbines and even sports equipment: elongated fibers that are more stable than steel and lighter than aluminum. Saertex produces them. Founded by textile engineer Bruno Lammers, the company is now the world market leader in its field and employs about 1,200 workers. Read more: http://www.dw.com/en/program/made-in-germany/s-3066-9798