<https://secure.gravatar.com/avatar/b816bb28ff410071ebd0f14aab2650bc?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://wellmaster.com/our-products/lubricators-accessories/10k-lubricator/>