<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/320x426/54cfd2a46a270_-_tool-gifts-08-1112-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1014/holiday-tool-gift-guide-for-2012/>