<https://haverland.co.uk/blog/5-steps-to-consider-whilst-working-as-an-electrical-installer-during-covid19/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://haverland.co.uk/blog/5-steps-to-consider-whilst-working-as-an-electrical-installer-during-covid19/>