PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Natural Concrete Products offers a system of stackable structurally sound blocks for retaining walls, garden walls, freestanding walls, fireplaces, firepits, columns and other landscaping and outdoor living projects.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lawnandlandscape.com