About: http://webisa.webdatacommons.org/5363244

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	For this purpose, a disc-shaped round blank (10) with a circular cylindrical contour is first punched out of a metal sheet, in particular an aluminium sheet.
http://www.w3.org/ns/prov#wasQuotedFrom	sumobrain.com