About: http://webisa.webdatacommons.org/322553413

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 cross section of the hollow space can be round, for example circular or oval, or can be polygonal, for example square, although the hollow body can also have an irregular shape.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com