PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Failing to ensure that tanks, voids, etc., are gas-free and oxygen-safe before entry and/or before hot work such as welding, cutting, etc., is performed nearby.
http://www.w3.org/ns/prov#wasQuotedFrom
  • maritime.org