The ducts web site is protected by copyright under U.S. and international law. You may use materials on the ducts web site for your personal, non-commercial use only.

The ducts web site contains links to other sites on the World Wide Web. Links to and from other web sites do not constitute endorsement by ducts of any other web site or its contents.

The ducts web site, including all content, software, functions and information, is provided "as is." ducts makes no representations or warranties of any kind regarding the ducts web site or links to or from other sites on the World Wide Web.