About: http://webisa.webdatacommons.org/143891402

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	Of course, this approach is viable not just for drilled holes, but also milled features such as pockets, slots and so forth.
http://www.w3.org/ns/prov#wasQuotedFrom	pfonline.com