(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