<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfc6a41cfcc_-_duct_tape_rollup_dilemma_0109.jpg>
<http://www.popularmechanics.com/home/outdoor-projects/how-to/a3403/garage-door-repair-tips/>