PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The dust in areas like silos can prove hazardous if equipment such as electric cables and motors, enclosures, isolators and vents, lamps and switches, control systems and a number of others does not have the relevant level of dust explosion protection.
http://www.w3.org/ns/prov#wasQuotedFrom
  • iec.ch