About: http://webisa.webdatacommons.org/71615644

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	special types such as the alloys "Inconel" and "Hastalloy", semi-conductor materials, for example silicon, ceramic materials, for example aluminum oxide.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com