<https://www.castercity.com/product/plate-casters/5-swivel-caster-blue-polyurethane-wheel-model-k3a/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.castercity.com/product/plate-casters/5-swivel-caster-blue-polyurethane-wheel-model-k3a/>