PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since creating a copper solvent involves mixing potentially hazardous chemicals, however, most recipes recommend that precautions such as eye protection and ventilation be observed and that the official Material Safety Data Sheets (MSDS) containing information about the chemicals be kept on hand during the process.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com