Abstract
Cover Photo: Roll‐off container made of high‐strength and wear‐resistant steel sheets; this new light‐weight construction enables weight reduction by 45% compared to conventional steel. 2009 Steel Innovation Prize by the German Steel Industry Association. Copy by courtesy of Sirch GmbH & Co. KG, Kaufbeuren, and Stahl‐Informations‐Zentrum, Düsseldorf.