About: http://webisa.webdatacommons.org/152115353

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	It is contemplated, however, that the apertures 24 could be formed in shapes such as rectangular, octagonal, hexagonal and others preferably having walls intersecting at an angle of 90??? or greater.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk