PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Water treatment applications are for vacuum feed ozone, anhydrous ammonia, chlorine or carbon dioxide gas, liquid feed of alum, polymer, hydrogen peroxide, potassium permanganate, acids, and other chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wateronline.com