<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cade244bfd6_-_tape-measures-04-0312-lgn.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g774/tale-of-the-tape-measures-abusive-lab-test/>