{"id":"S85002820","label":"Airplanes--Fuel systems--Expulsion bladders","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002820","normalized_label":"airplanes--fuel systems--expulsion bladders","broader":["http://id.loc.gov/authorities/subjects/sh85037591"],"aliases":["Bladders, Expulsion (Aircraft fuel systems)","Expulsion bladders (Aircraft fuel systems)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002820","provider":"lcsh","revision":"9c086d8f82b5c62c","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Fuel systems--Expulsion bladders","url":"/topics/S85002820","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290486574016250372","address_version":"morton4x16-v1","coordinates":[0,20,17449,4096],"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}