<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/160x213/54c82e6357eba_-_string_trimmers_00_0506-md.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g66/2696256/>