About: http://webisa.webdatacommons.org/216802013

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 flange may be constructed of different geometric shapes, such as rectangular, oval, star, H-shaped, petal, or ratchet, as depicted in FIG. 5A through 5F. The flange provides a depth gage for insertion of the plug into a vessel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com