PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Chlorine and Heavy metals such as lead, foreign organic compounds, dirt and sediment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • advancedwaterfiltration.com.au