1. Department of Mechanical Engineering Science, University of Johannesburg, Auckland Park, South Africa
2. Department of Mechanical Engineering, Dedan Kimathi University of Technology, Nyeri, Kenya
3. Department of Mining, Materials and Petroleum Engineering, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
4. Department of Materials and Metallurgical Engineering, University of Ilorin, Ilorin, Nigeria
5. Department of Mechanical Engineering, Landmark University Omu-Aran, Omu-Aran, Kwara State, Nigeria
6. School of Chemical and Metallurgical Engineering, University of the Witwatersrand, Johannesburg, South Africa
7. Pan African University Institute of Earth and Life Sciences (PAULESI), University of Ibadan, Ibadan, Nigeria