<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/10/54fb41d328378-ghk-steam-mop-hp-43ubfd-promo.jpg>
<http://www.goodhousekeeping.com/appliances/steam-mops/a18274/how-we-tested-steam-mops/?src=shelter_footer>