Thomas Kusserow Thomas Kusserow Marketing-Manager Mining & Minerals, Abb pi pm Germany (Click for more!)
Björn Voges Björn Voges Marketing-Manager, Greif-Velox Maschinenfabrik GmbH Germany (Click for more!)
Eko Putranto Eko Putranto Head of Mechanical Engineering Departement, PT. Tambang Batubara Bukit Asam (Persero) (Click for more!)
Tads S. Golosinski Tads S. Golosinski Professor, Mining Engineering, University of Missouri-Rolla United States (Click for more!)
P. K. Venugopalan P. K. Venugopalan Deputy Chief Engineer, FICHTNER Consulting Engineers (Click for more!)