<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54cb3f585cce4_-_neutralizer-04-0714-smn.jpg>
<http://www.popularmechanics.com/military/a10874/the-science-of-disarming-syrias-chemical-weapons-16982565/>