About: http://webisa.webdatacommons.org/216349371

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 cylindrical shape may be readily fabricated and lacks extremities, such as corners, which may promote stagnant zones, although this shape is not required, and other focusing manifolds may have spherical, cubic, or other shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca