PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Watch out: refrigerant gas detection by release into a heat exchanger as a tracer gas if used to check for heat exchanger leaks - is something no longer recommended nor permitted where discharge of refrigerants to the environment is a possibility.
http://www.w3.org/ns/prov#wasQuotedFrom
  • inspectapedia.com