PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These advantages have led to wide acceptance of plastic valves in commercial and industrial applications such as water distribution, wastewater treatment, metal and chemical processing, food and pharmaceuticals, power plants, oil refineries and more.Plastic valves can be manufactured from a number of different materials used in a number of configurations.
http://www.w3.org/ns/prov#wasQuotedFrom
  • valvemagazine.com