<https://www.kccu.org/u-s/2021-12-30/why-build-a-house-when-you-can-print-one-thats-what-one-nonprofit-did>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.kccu.org/u-s/2021-12-30/why-build-a-house-when-you-can-print-one-thats-what-one-nonprofit-did>