About: http://webisa.webdatacommons.org/22816714

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	The weakness of the method is when you want to remove some material for example like lightening holes (easy enough to drill hole) where the shape is not circular.
http://www.w3.org/ns/prov#wasQuotedFrom	rcgroups.com