About: http://webisa.webdatacommons.org/318797538

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	Surface and internal defects such as roughness, scratches, notches, grooves, shoulders, and other abrupt changes in geometry will reduce the fatigue strength of the part.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com