<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54d0e9fb96ba5_-_charging_bench_05_0410-lg-61337477.jpg>
<http://www.popularmechanics.com/home/how-to-plans/how-to/a5456/cordless-tools-charging-station-plans/>