PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Retaining walls can be constructed from timber, brick, stone, block, concrete or other similar materials.
http://www.w3.org/ns/prov#wasQuotedFrom
  • alldayfencing.com.au