{"id":"S85053619","label":"Gear rolling","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053619","normalized_label":"gear rolling","broader":["http://id.loc.gov/authorities/subjects/sh85053628","http://id.loc.gov/authorities/subjects/sh85114891"],"aliases":["Roll forming of gears"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053619","provider":"lcsh","revision":"4e0395d51c893226","taxonomy_revision":"f050b5d4780b1289","title":"Gear rolling","url":"/topics/S85053619","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088217389062816320","address_version":"morton4x16-v1","coordinates":[0,20,18242,52224],"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}