About: http://webisa.webdatacommons.org/142476595

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	Further, because there is a limit to the attempt to reduce the distance between tracks only by narrowing the width of the convex portion 205, the width of the concave portion 204 must be narrowed.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com