About: http://webisa.webdatacommons.org/373559528

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	Such ribs and/or grooves, like other corresponding disposed projections and recesses, guarantee that the upper part and the lower part always fit each other even if, due to differing shrinkage, the two parts are of different sizes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com