{"id":"S2007003915","label":"Grate firing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007003915","normalized_label":"grate firing","broader":["http://id.loc.gov/authorities/subjects/sh85064747"],"aliases":["Grate-firing systems"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007003915","provider":"lcsh","revision":"936552127ad7cd2e","taxonomy_revision":"f050b5d4780b1289","title":"Grate firing","url":"/topics/S2007003915","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4647864376508966432","address_version":"morton4x16-v1","coordinates":[0,478,33228,11264],"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}