<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb0db813027_-_abt-growlers-04-0413-lgn.jpg>
<http://www.popularmechanics.com/science/reviews/g1167/abusive-lab-test-stainless-steel-growlers/>