About: http://webisa.webdatacommons.org/246437186

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 aggregate is generally a coarse gravel or crushed rocks such as limestone, or granite, along with a fine aggregate such as sand.
http://www.w3.org/ns/prov#wasQuotedFrom	chinagrindingmill.net