About: http://webisa.webdatacommons.org/200678481

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	The method used mostly in the field was to grind the relief first all the way up to the front edge, then grind the primary afterwards.
http://www.w3.org/ns/prov#wasQuotedFrom	practicalmachinist.com