{"id":"S85046344","label":"Exhaust systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85046344","normalized_label":"exhaust systems","broader":["http://id.loc.gov/authorities/subjects/sh85026898","http://id.loc.gov/authorities/subjects/sh85040078"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85046344","provider":"lcsh","revision":"c391ed76724ffd57","taxonomy_revision":"f050b5d4780b1289","title":"Exhaust systems","url":"/topics/S85046344","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324263847236338180","address_version":"morton4x16-v1","coordinates":[0,20,18129,8192],"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}