PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It quickly and accurately pinpoints cracks, pin holes, porosity problems, and other defects that could go un-detected by conventional pressure testers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • axeequipment.com