PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It offers nitrogen, oxygen, argon, helium, hydrogen, and welding and fuel gases, such as acetylene, propylene and propane, carbon dioxide, nitrous oxide, ultra high purity grades, special application blends, and process chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hotstocked.com