About: http://webisa.webdatacommons.org/410242369

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	In addition to the common scenario where a workpiece is a product or device, a workpiece may be, or include, feedstock, tools, waste atoms, intermediate structures, combinations thereof, or other objects.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com