Assertion: jig | /r/ObjectUse | used on boring
Facets:
value: counter
type: DEGREE
Source sentences:
text: Jigs are used on drilling, reaming, tapping and counter boring operations.
text: Jigs are used on drilling , reaming , tapping and couter boring operations , while fixtures are used in connection with turning , milling , grinding , shaping , planning and boring operations.