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Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla Vereinigte Staaten (Click for more!)
Helmut Mayer Helmut Mayer Director and Principal Engineer, Mayer International Group Pty. Ltd. Australien (Click for more!)
Hugo Tintaya Hugo Tintaya Staff, Project Coordinator, Shougang Hierro Peru SAA Peru (Click for more!)