PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Refrigerants, including anhydrous ammonia, are used in many industrial facilities, posing chemical hazards and other hazards, such as those from compressed gases.
http://www.w3.org/ns/prov#wasQuotedFrom
  • facilitiesnet.com