About: http://webisa.webdatacommons.org/204769507

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	Additionally, one of the sliding surfaces can include at least one projection for engaging a recess defined by the other sliding surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com