PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • CO2 is a good source of compressed gas that can be used to blow - out dust from refrigeration coils and other hard to reach areas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • carbonicsystemsinc.com