About: http://webisa.webdatacommons.org/101492467

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	For example, arrangements are possible where a convexly curved surface, similar to the surface 68, is formed with grooves or other kinds of recesses, for example concentric grooves.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com