About: http://webisa.webdatacommons.org/424069312

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	Perforation should be broadly construed and includes, but is not limited to, an aperture, hole, opening, channel, or passage formed partially or completely through an object, such as a polishing article.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com