{"id":"S85021853","label":"Centerless grinding","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85021853","normalized_label":"centerless grinding","broader":["http://id.loc.gov/authorities/subjects/sh85057370"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85021853","provider":"lcsh","revision":"123bec473803b13e","taxonomy_revision":"f050b5d4780b1289","title":"Centerless grinding","url":"/topics/S85021853","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"902984936674689600","address_version":"morton4x16-v1","coordinates":[0,20,17746,29696],"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}