PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Maintaining the plant and operating equipment and facilities in a clean and orderly condition, including draining and hosing down filters, tanks and basins and flushing chemical metering pumps; depressurizing, de-energizing, isolating equipment, removing chemicals and locking and tagging out equipment in preparation for maintenance crews.
http://www.w3.org/ns/prov#wasQuotedFrom
  • electricenergyonline.com