<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb125f2dafd_-_mighty-yard-machines-05-0613-lgn.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g1212/7-mighty-machines-to-tame-any-lawn/>