{"id":"S85107645","label":"Protective atmospheres","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85107645","normalized_label":"protective atmospheres","broader":["http://id.loc.gov/authorities/subjects/sh85022900","http://id.loc.gov/authorities/subjects/sh85053380"],"aliases":["Atmospheres, Modified","Atmospheres, Protective","Controlled atmospheres (Industrial processes)","Modified atmospheres"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85107645","provider":"lcsh","revision":"f51e51d06c25fc03","taxonomy_revision":"f050b5d4780b1289","title":"Protective atmospheres","url":"/topics/S85107645","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126423202931557952","address_version":"morton4x16-v1","coordinates":[0,20,19086,62464],"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}