About: http://webisa.webdatacommons.org/91402846

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	Only the grit was useful, mostly for industrial applications such as dental drills and hacksaw blades.
http://www.w3.org/ns/prov#wasQuotedFrom	reference.com