{"id":"S2001008791","label":"Service life","description":"Use as a topical subdivision under individual materials and types of materials and under individual land vehicles and types of land vehicles.","source_url":"https://id.loc.gov/authorities/subjects/sh2001008791","normalized_label":"service life","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001008791","provider":"lcsh","revision":"ac0728992184a2db","taxonomy_revision":"f050b5d4780b1289","title":"Service life","url":"/topics/S2001008791","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"579988287968649794","address_version":"morton4x16-v1","coordinates":[0,477,5090,23552],"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}