1. Tshwane University of Technology,Department of Chemical, Metallurgical and Materials Engineering,Pretoria,South Africa
2. University of Ilorin,Department of Mechanical Engineering,Ilorin,Nigeria
3. Landmark University,Department of Mechanical Engineering,Omu-Aran,Nigeria
4. Federal Polytechnic Kaura-Namoda,Zamfara State,Nigeria
5. Northumbria University,Department of Mechanical and Construction Engineering,Newcastle,United Kingdom