About: http://webisa.webdatacommons.org/392526789

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	Cement, and particularly Portland cement, has long been an engineering material of choice for a wide variety of structural components.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com