<https://www.dyson.hk/en-HK/dyson-v8-focus-mattress-origin-handheld-vacuum-cleaner>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.dyson.hk/en-HK/dyson-v8-focus-mattress-origin-handheld-vacuum-cleaner>