<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54c09ecf5e67e_-_05-hbx-samsung-twinchamber-vacuum-system-0213-lgn.jpg>
<http://www.housebeautiful.com/shopping/home-gadgets/tips/g1342/best-vacuums-2013/?click=smart&kw=ist&src=smart&mag=HBU&link=-SMT-HBU>