Privacy Policy

  • You don't have to register or provide any personal information to use the site or download diagrams.
  • The only way we could get your email address is if you contact us. We won't use your email address for any purpose except responding to you.
  • This site, and advertisers who use this site, may use 'cookies' to save information about your visit.
  • Log files may store information about your visit, such as your browser type and your IP address.