<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x160/54cade2368be0_-_tape-measures-01-0312-lgn.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g774/tale-of-the-tape-measures-abusive-lab-test/>