PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Industrial cleaning services are used in many industries including aerospace, chemical and material processing, electronics, filters and filtration equipment, pharmaceutical, and many more.
http://www.w3.org/ns/prov#wasQuotedFrom
  • globalspec.com