<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/640x430/54d122a5d242a_-_hardware-show-01-0611-xln.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g525/the-best-tools-from-the-2011-national-hardware-show/>