{"id":"S85059785","label":"Heat exchangers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85059785","normalized_label":"heat exchangers","broader":["http://id.loc.gov/authorities/subjects/sh85022901","http://id.loc.gov/authorities/subjects/sh85059767","http://id.loc.gov/authorities/subjects/sh85112278"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85059785","provider":"lcsh","revision":"18d52141f7ad5443","taxonomy_revision":"f050b5d4780b1289","title":"Heat exchangers","url":"/topics/S85059785","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324272660446052932","address_version":"morton4x16-v1","coordinates":[0,20,18339,9216],"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}