{"id":"S85079399","label":"Machining","description":"Here are entered works on methods for changing the size or shape of a workpiece by means of machine-operated cutting tools and including standard operations such as turning, shaping and planing, milling, grinding, and drilling.","source_url":"https://id.loc.gov/authorities/subjects/sh85079399","normalized_label":"machining","broader":["http://id.loc.gov/authorities/subjects/sh85079334","http://id.loc.gov/authorities/subjects/sh85080664"],"aliases":["Materials--Machining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85079399","provider":"lcsh","revision":"96cea7b5cccf0217","taxonomy_revision":"f050b5d4780b1289","title":"Machining","url":"/topics/S85079399","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9514074116286973444","address_version":"morton4x16-v1","coordinates":[0,20,18645,39936],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}