PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • sources of carbon monoxide include gasoline- powered tools such as pressure washers, concrete cutting saws, power trowels,
http://www.w3.org/ns/prov#wasQuotedFrom
  • ncdcr.gov