Dr Muralisrinivasan Natamai Subramanian is a plastics technology consultant specializing in materials, additives, and processing equipment, including troubleshooting. The author obtained his B.Sc in Chemistry from the Madurai Kamaraj University and his M.Sc (1988) in Polymer Technology from Bharathiar University. He received his Post Graduate Diploma in Plastics Processing Technology from CIPET, Chennai. His also received his Doctor of Philosophy in Polymer chemistry from Madurai Kamaraj University. Dr. Muralisrinivasan subramanian worked in the plastic process industry, mainly in R & D, for 13 years before turning to consultancy and building up an international client base. Dr. Muralisrinivasan teaches plastics processing seminars as well as being a Board of Studies Expert member of Colleges in India dealing with curriculum of technology subjects. He authored Update on troubleshooting in Thermoforming in 2010 (iSmithersRapra), Basics of troubleshooting in plastics processing in 2011 (Scrivener – Wiley), Troubleshooting in PVC extrusion process (iSmithers Rapra) and Polymer Testing – New instrumental method (Momentum Press), and many books on polymer related topics.