i DECLARATION

Abstract

The research reported in this dissertation, except where otherwise indicated, is my original research; This dissertation has not been submitted for any degree or examination at any other university. This dissertation does not contain other persons ’ data, pictures, graphs or other information, unless specifically acknowledged as being sourced from other persons; and This dissertation does not contain other persons ' writing, unless specifically acknowledged as being sourced from other researchers. Where other written sources have been quoted, then: (a) Their words have been re-written but the general information attributed to them has been referenced. (b) Where their exact words have been used, then their writing has been placed in italics and inside quotation marks, and referenced. (c) This dissertation does not contain text, graphics or tables copied and pasted from the Internet, unless specifically acknowledged, and the source being detailed in the dissertation and in the References sections. Signature: …………………………. Date: As the candidate’s supervisor, I, Dr. S. Rathilal, have approved this Master of Engineering Dissertation for submission