About: http://webisa.webdatacommons.org/6952190

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	As most preforms have openings that are generally cylindrical or circular in shape, the shaft 10 has an outer contour with a generally circular shape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk