<http://www.w3.org/1999/02/22-rdf-syntax-ns#rest>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#nil>
<http://www.popularmechanics.com/cars/how-to/a6613/torque-wrench-101-how-to-get-the-right-amount-of-force/>