About: http://webisa.webdatacommons.org/256049837

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Preferably, fly ash and other recycled materials should be used in the concrete to the extent it is physically and economically beneficial.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com