<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cafbc52f6ef_-_unusual-tools-07-1112-lgn.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g975/8-unique-tools-and-their-unusual-uses/>