PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • t island effect,??? said Gephart. ???Plus, recycled materials such as recycled aggregate and slag can be incorporated into concrete mix while reducing the amount of waste hauled to landfills.??? Gephart also noted that recycled concrete could be used as a structural base, again reducing the amount of waste hauled to landfills.
http://www.w3.org/ns/prov#wasQuotedFrom
  • concretethinker.com