<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caf1d869a06_-_tell-tale-tools-04-0812-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g901/what-your-power-tools-are-trying-to-tell-you/>