About: http://webisa.webdatacommons.org/428989859

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	A preform is a body of material of suitable character and shape to permit its later formation into an article such as a disk or other article having a desired form for an appropriate end use as for example within an aircraft engine.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com