<http://webisa.webdatacommons.org/361504315> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/prov#Entity> . <http://webisa.webdatacommons.org/361504315> <http://www.w3.org/ns/prov#wasQuotedFrom> <google.es> . <http://webisa.webdatacommons.org/prov/136790177> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/361504315> . <http://webisa.webdatacommons.org/prov/136116129> <http://www.w3.org/ns/prov#wasDerivedFrom> <http://webisa.webdatacommons.org/361504315> . <http://webisa.webdatacommons.org/361504315> <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." .