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Hugo Tintaya Hugo Tintaya Staff, Project Coordinator, Shougang Hierro Peru SAA Peru (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla Vereinigte Staaten (Click for more!)
Thomas Pollak Thomas Pollak Engineer, MUT Management Umwelt Technologie Consulting Network GmbH Österreich (Click for more!)