<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x240/54cb076572f73_-_belt-sander-test-01-0113-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1060/tool-test-the-best-big-belt-sanders/>