<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x360/54cfd2a309062_-_tool-gifts-02-1112-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1014/holiday-tool-gift-guide-for-2012/>