<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x552/54d122a701747_-_hardware-show-07-0611-xln.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g525/the-best-tools-from-the-2011-national-hardware-show/>