About: http://webisa.webdatacommons.org/257644538

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	See boring; drilling; spade drilling. truing Using a diamond or other dressing tool to ensure that a grinding wheel is round and concentric and will not vibrate at required speeds.
http://www.w3.org/ns/prov#wasQuotedFrom	ctemag.com