About: http://webisa.webdatacommons.org/171309108

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	The fly ash is a siliceous material and the formation of various calcium silicates can occur.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es