{"id":"S85079380","label":"Machinery--Soundproofing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85079380","normalized_label":"machinery--soundproofing","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85079380","provider":"lcsh","revision":"836f6910f07aeaf3","taxonomy_revision":"f050b5d4780b1289","title":"Machinery--Soundproofing","url":"/topics/S85079380","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867013298154243588","address_version":"morton4x16-v1","coordinates":[0,20,18645,20480],"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}