About: http://webisa.webdatacommons.org/318201964

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	Although, the aperture formed in the marker housing is described as being generally circular in shape, it is contemplated that the aperture may be formed having other shapes, such as rectangular, square, oval, octagonal, and the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au