Dr. V.S. Aigbodion, Lecturer at Ahmadu Bello University, Zaria. Nigeria. He has published several papers in reputable journals. Engr.C. U Atuanya (M.Sc) from Inst. of Steel and Alloys Moscow, Lecturer at Nnamdi Azikiwe University, Awka , Nigeria Engr. E.A.Jonah, hold a B-ENG(Met and Mat Engineering), from A.B.U, Zaria. Nigeria.