(1)  Moamin Mazin Salim
 (Lecturer at Department of production engineering and metallurgy University of Technology-Iraq , Iraq)
*
(2)  Yasir Jihad Saeed
 (Assistance Lecture, Department of Economics , College of Administration & Economics, Kirkuk University, Iraq , Iraq)
(3)  Dahlia Abdulhussein Ahmed
 (Lecturer at Department of production engineering and metallurgy University of Technology-Iraq , Iraq)
(4)  Mustafa Ali Ibrahim
 (ASS PROF. at Department of production engineering and metallurgy University of Technology-Iraq , Iraq)
(*) Corresponding Author