{"id":"S99001354","label":"Vacuum glazing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh99001354","normalized_label":"vacuum glazing","broader":["http://id.loc.gov/authorities/subjects/sh85119308","http://id.loc.gov/authorities/subjects/sh85141743"],"aliases":["Evacuated glazing","Evacuated windows","Vacuum windows"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh99001354","provider":"lcsh","revision":"ace5affe693a5b45","taxonomy_revision":"f050b5d4780b1289","title":"Vacuum glazing","url":"/topics/S99001354","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4649052097537770018","address_version":"morton4x16-v1","coordinates":[0,23,39568,10240],"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}