<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb80d24580a_-_1113-double-duty-egg-bottle-th0ktz-xln.jpg>
<http://www.countryliving.com/home-maintenance/cleaning/tips/g1687/double-duty-household-items-good-housekeeping/>