PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Self-cleaning filters eliminate problems without downtime'Heat exchangers, molds, pipes, tubing, sensors, monitors and other parts become fouled when dirt particles in the water settle out on warm surfaces.'
http://www.w3.org/ns/prov#wasQuotedFrom
  • chem.info