<https://www.controlgear.net/blog/the-comprehensive-benefits-of-dust-and-fume-extraction-systems-in-industry/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.controlgear.net/blog/the-comprehensive-benefits-of-dust-and-fume-extraction-systems-in-industry/>