<https://nationalpetroleum.net/store/manufacturers/dixon-valve/dixon-global-cam-groove-type-dc-dust-cap/#breadcrumb>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://nationalpetroleum.net/store/manufacturers/dixon-valve/dixon-global-cam-groove-type-dc-dust-cap/>