<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfc8bcdd1fc_-_duct_tape_vac_attack_0109-1.jpg>
<http://www.popularmechanics.com/home/interior-projects/how-to/a4070/4312858/>