PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Metal removing sponge material: This is a high capacity sponge product that effectively reduces and removes zinc, copper, lead and other heavy metals commonly found in storm water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wdfilters.com