<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfbb78ee99f_-_duct_tape_deflation_concern_200_1208-de.jpg>
<http://www.popularmechanics.com/home/interior-projects/how-to/a3749/4293947/>