The authors of the articles on this website have used their best efforts to provide accurate and authoritative information in regard to the subject matter covered. The author and Sustainable Engineering Ltd make no warranty of any kind, expressed or implied, with regard to the information contained in these articles. The information presented must be used with care by professional who understand the implications of what they are doing. If professional advice or other expert assistance is required, the services of a competent professional should be sought. The authors and Sustainable Engineering Ltd shall not be liable in the event of incidental or consequential damages in connection with, or arising from, the use of the information contained in these articles/website.