PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Each bilge water stream enters one of the pairs of resin tanks 148, 150, wherein a known, conventional cation/anion exchange process removes, or reduces to acceptable levels, the contaminants, such as lead, zinc, cadmium, tin, selenium, chromium, nickel and mercury, from the bilge water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com