About: http://webisa.webdatacommons.org/397960470

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	Concerning the main body 10, at least the bottom surface thereof is a plane, and the two side surfaces thereof are planes in parallel to each other.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com