{"id":"S85029444","label":"Compressors","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85029444","normalized_label":"compressors","broader":["http://id.loc.gov/authorities/subjects/sh85138741"],"aliases":["Blowers","Compressing machinery","Exhausters"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85029444","provider":"lcsh","revision":"42a956242be85add","taxonomy_revision":"f050b5d4780b1289","title":"Compressors","url":"/topics/S85029444","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290486592332775940","address_version":"morton4x16-v1","coordinates":[0,20,17865,4096],"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}