PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • a permit-required confined space (or enclosed space) is considered to have entered by OSHA. This means any part of the entrant's body has gone through the opening.Hazards of Confined SpacesOxygen HazardsCommon household products such as grease or oil have a greater potential to catch fire when exposed to high levels of oxygen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • rescuenet.com