07.06.2011, Duisburg, North Rhine-Westphalia, Germany - ThyssenKrupp Huettenwerk. Prozesskontrolle in der Schaltzentrale am Hochofen 8. 00X110607D002CAROE.JPG GT [MODEL RELEASE: NO, PROPERTY RELEASE: NO (c) caro images / Rupert Oberh?user, http://www.caro-images.com, [email protected] - In case of using the picture for any non-editorial purpose, please contact the agency - the picture is subject to royalty!]