About: http://webisa.webdatacommons.org/443841969

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	Cheng explains, Concrete is a malleable, natural material, that even when cast in permanence continues to have a life of its own.
http://www.w3.org/ns/prov#wasQuotedFrom	forconstructionpros.com