<https://secure.gravatar.com/avatar/11a9c78942c54cb765062909f1909f98?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.jpinfuerteventura.com/categories/woodworking-diy/how-to-make-a-skill-saw-guide/>