© Copyright Notice. These articles, including but not limited to all text, images and diagrams, are the intellectual property of Paul Kemble, and is Copyright © 1996. Reproduction or re-publication by any means whatsoever, whether electronic, mechanical or electro-mechanical, is strictly prohibited under International Copyright laws. The author (Paul Kemble) grants the reader the right to use this information for personal use only, and further allows that one (1) copy may be made for reference while constructing any project described. Commercial use is prohibited without express written authorisation from Paul Kemble.