PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • of hazardous gases, liquids etc, for e.g. LPG, ???A???, ???B???
http://www.w3.org/ns/prov#wasQuotedFrom
  • mahafireservice.gov.in