This Material (Web Page) is a popert of City University of Hong Kong, Department of Manufacturing Engineering and Engineerment Management. You may use it for your personal or intern; bussiness purposes only. Except for those specified uses, no part of the materials available may be further transmitted or otherwise reproduced, stored, disseminated, transferred or used, in any form by any means, except the prior written permission of City University of Hong Kong. Distribution for commercial purposes or use of the materials to create any materials for resale, markering or mailing list, is prohibited.