Muh. Bayu Adji Ramadhan

Kendari

Kimoy-Marie Douglas

St. Catherine

Bart Dominczyk

Poraj

mining geotechnic company

kabul

Hamilton Rocha

Belo Horizonte, Minas Gerais

Leslie Watson

Tucson, AZ

ARNOLDO S SOTO

Calgary

Lawrence Ndere

Harare

Degi

Ub

Humphrey Chiswaswa

Mufulira

Brendan Ferreira

Algarve

Mohammad Hassan

Egypt

Felix Nti-Sarpong

Kumasi

Jaish J Chand

Akita

Hamza Younis

cairo

Jaquelin Donatilda Farfan Gomez

L

kennedy Magaba

Kitwe

Greg Heiges

Lancaster, PA

Manny Claassens

WA

Walter Nxumalo

Johannesburg

eric Amofa obeng

Clausthal-Zellerfeld

Jun Xiong

Alberta

Joseph Ezeano

Calgary AB

Jose Luis Baca

Madrid