About: http://webisa.webdatacommons.org/58684602

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 is a composite material composed of coarse granular material (the aggregate or filler) embedded in a hard matrix of material (the cement or binder) that ...
http://www.w3.org/ns/prov#wasQuotedFrom	crusherformining.com