{"id":"S85058870","label":"Hard materials--Machining","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85058870","normalized_label":"hard materials--machining","broader":["http://id.loc.gov/authorities/subjects/sh85079399"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85058870","provider":"lcsh","revision":"cc57a0c4d40f5520","taxonomy_revision":"f050b5d4780b1289","title":"Hard materials--Machining","url":"/topics/S85058870","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090460393790375424","address_version":"morton4x16-v1","coordinates":[0,20,18324,55296],"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}