<https://afaengco.com/product/farab-bvg16-2-size-2-inch-gearbox-wafer-butterfly-valve/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://afaengco.com/product/farab-bvg16-2-size-2-inch-gearbox-wafer-butterfly-valve/>