A worker of German steelmaker ThyssenKrupp controls a blast furnace

A worker of German steelmaker ThyssenKrupp controls a blast furnace

A worker of German steelmaker ThyssenKrupp controls a blast furnace in Duisburg

A worker controls a tapping of a blast furnace at Europe’s largest steel factory of Germany’s industrial conglomerate ThyssenKrupp AG in the western German city of Duisburg December 6, 2012. REUTERS/Ina Fassbender