Assertion: jig | /r/HasProperty | special device
Facets:
Source sentences:
text: A jig is a special device which holds, or supports, or is placed on a part to be machined.
text: Jigs and fixtures are special purpose tool which are used to facilitate production (machining, asslembling and inspection operations), when work piece is based on the concept of interchangeability according to which every part will be produced within an established tolerance.