About: http://webisa.webdatacommons.org/361504315

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 cements, commonly referred to as masonry cements, are prepared by intergrinding portland cement, a filler such as limestone, and an air entraining agent.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es