1. Ryan Wilks Pty Ltd; Unit 23/28 Vore Street Silverwater NSW 2128 Australia
2. Materials synthesis and characterization lab, Institute of advance technology; University Putra Malaysia; 43400 Serdang Malaysia
3. National Centre for Ports & Shipping, Australian Maritime College; University of Tasmania; Maritime Way Newnham Tasmania 7250 Australia
4. Department of mechanical and manufacturing engineering, Faculty of eingineering; University Putra Malaysia; 43400 Serdang Malaysia