PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Welding or cutting shall not be done on a metal partition, wall, ceiling, or roof with a combustible covering nor on walls or partitions of combustible sandwich-type panel construction before welding or cutting drums, tanks, or other containers and equipment which have contained hazardous materials the containers shall be thoroughly cleaned.
http://www.w3.org/ns/prov#wasQuotedFrom
  • uma.edu