<https://www.hoseshop.net/metric-nylon-6-tubing/metric-nylon-tubing-8mm-o-d-x-6mm-i-d-30/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.hoseshop.net/metric-nylon-tubing-8mm-o-d-x-6mm-i-d-30/>