About: http://webisa.webdatacommons.org/455143080

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	It also gives details of mining practice, the extraction and refining of numerous metals, alloys such as brass, and compounds used in foundries and explosives.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org