About: http://webisa.webdatacommons.org/443612849

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 opening produced may be for example a hole-like opening with an oval, rectangular, round or other cross-section in plan view.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com