About: http://webisa.webdatacommons.org/24827289

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	Concrete Concrete is mixed with water and other aggregates - such as sand, stone, or gravel.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com