About: http://webisa.webdatacommons.org/307669811

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 silicates C3 S and C2 S are generally ascribed as the compounds from which materials such as concretes, mortars and grouts, that are formed when the cement is hydrated, derive their desirable mechanical and engineering properties.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au