<https://secure.gravatar.com/avatar/190ce75bc9ebe9f184a5e2e6c0e7c50b?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://legacyhvac.net/how-a-pet-can-impact-your-hvac-system/>