1. School of Mechanical Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang
2. School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Nibong Tebal, Penang
3. Furutec Electrical Sdn. Bhd., Simpang Ampat, Penang, Malaysia
4. Faculty of Mechanical Engineering Technology, Universiti Malaysia Perlis, Arau, Perlis