About: http://webisa.webdatacommons.org/219129830

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	They need to know about the strengths of different kinds of concrete and how different surface appearances are produced.
http://www.w3.org/ns/prov#wasQuotedFrom	vault.com