EDITORIAL BOARD EDITOR IN CHIEF Prof Dr. G.A Zakaria Professor of clinical engineering at University of Cologne, Koethen, Germany ASSOCIATE EDITORS Prof. KMGP Premasada Dean, Faculty of Technology, General Sir John Kotelawala Defence University, Sri Lanka Dr. PATM Wijerathna HOD, Department of Biosystems Technology, Faculty of Technology, General Sir John Kotelawala Defence University, Sri Lanka MEMBERS Prof BM Jayawardena Senior Professor, Department of Biosystems Technology, Faculty of Technology, General Sir John Kotelawala Defence University, Sri Lanka Dr. Jithendra Rathnayake Department of Oral Sciences, University of Otago, New Zealand Major RWMRWWAHK Warakagoda Senior Lecturer, Department of Engineering Technology, Faculty of Technology, General Sir John Kotelawala Defence University, Sri Lanka Prof. Sudhira De Silva Professor of Civil and Environmental Engineering, University of Ruhuna Prof. TGI Fernando Professor in Computer Science,Department of Computer Science, University of Sri Jayawardenapura Eng.Dr.D.H.R.J Wimalasiri Senior Lecturer, Department of Mechanical Engineering, The Open University of Sri Lanka Prof. Gorge Dias Professor at University of Otago Prof. Anupama Azhari Director, Centre for Biomedical Science and Engineering, United International University (UIU), Dhaka, Bangladesh Dr. B.G.D.A. Madhusanka Senior Lecturer, Department of Mechanical Engineering, The Open University of Sri Lanka Eng. KMD Senevirathne HOD, Department of Engineering Technology, Faculty of Technology, General Sir John Kotelawala Defence University, Sri Lanka Lt. Col OMR Priyantha Senior Lecturer, Department of Engineering Technology, Faculty of Technology, General Sir John Kotelawala Defence University, Sri Lanka Cmde (Eng.) Harsha De Silva Rtd Senior Lecturer,Department of Engineering Technology,Faculty of Technology,General Sir John Kotelawala Defence University, Sri Lanka MANAGING EDITOR Eng. RMDS Rasnayake Lecturer (Probationary) COPY EDITOR Ms. DLS Hansanie Lecturer (Probationary)