{"id":"S90002453","label":"Machinery--Monitoring","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh90002453","normalized_label":"machinery--monitoring","broader":["http://id.loc.gov/authorities/subjects/sh85092221"],"aliases":["Condition monitoring of machinery","Monitoring of machinery"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh90002453","provider":"lcsh","revision":"67f163095d2c68c4","taxonomy_revision":"f050b5d4780b1289","title":"Machinery--Monitoring","url":"/topics/S90002453","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"886096438072050178","address_version":"morton4x16-v1","coordinates":[0,21,30032,21504],"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}