Eko Putranto Eko Putranto Head of Mechanical Engineering Departement, PT. Tambang Batubara Bukit Asam (Persero) (Click for more!)
Björn Voges Björn Voges Marketing-Manager, Greif-Velox Maschinenfabrik GmbH Germany (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla United States (Click for more!)
Cesare Saccani Cesare Saccani Industrial Mechanical Plants, University of Bologna Italy (Click for more!)