About: http://webisa.webdatacommons.org/372310665

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	Portions 210 and/or 220 may have any desired cross-sectional shape, such as for example rectangular, circular, elliptical, pentagonal, hexagonal, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com