1. Department of Industrial Design, Eindhoven University of Technology, Eindhoven, Netherlands and Faculty of Mechanical Engineering, Universiti Teknikal Malaysia, Melaka, Melaka, Malaysia
2. Department of Industrial Design, Eindhoven University of Technology, Eindhoven, Netherlands
3. Department of Industrial Design, Eindhoven University of Technology, Eindhoven, Netherlands and Faculty of Engineering Technology, Universiti Teknikal Malaysia, Melaka, Melaka, Malaysia