About: http://webisa.webdatacommons.org/452532531

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	Thus, the rigid tip is prevented from sliding over the needle guard such that the tip acts as a backup or redundant abutment for the annularly configured abutment surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com