<https://www.rltgroup.co.uk/#/schema/person/b0392442d05a2e7ef01544e86754f4a6>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://schema.org/Person>
<https://www.rltgroup.co.uk/mercury-vapour-made-obsolete/>