About: http://webisa.webdatacommons.org/444140521

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	Phosphate rock is mainly used to produce phosphate, also widely used in chemical industry such as pharmaceutical, gunpowder, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	crusherindustry.com