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