Shaukat Ali Shah
Department of Mechanical Engineering, NWFP University of Engineering & Technology, Peshawar, Pakistan
Abdul Hadi
Department of Mechanical Engineering, NWFP University of Engineering & Technology, Peshawar, Pakistan
Muhammad Naeem Khan
Industrial Engineering Department Engineering College King Saud University, P.O Box 800, Riyadh, KSA
Iftikhar Hussain
University Workshops, NWFP, University of Engineering & Technology, Peshawar, Pakistan