About: http://webisa.webdatacommons.org/27794419

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	Attempts have been made to alter cement's characteristics by adding a second phase material such as special aggregates, fibers, or fillers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au