PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Use a nice big, long screwdriver or metal rod like a stethoscope (or the real thing if you have one) on the vacuum pump and other components.
http://www.w3.org/ns/prov#wasQuotedFrom
  • powerstroke.org