About: http://webisa.webdatacommons.org/296937428

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 time required for the cement to harden will vary depending, for example, on the composition of the cement such as water content, pH, presence of additives, amount and type of fiber, and temperature.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es