{"id":"S85053344","label":"Gas tungsten arc welding","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053344","normalized_label":"gas tungsten arc welding","broader":["http://id.loc.gov/authorities/subjects/sh85042042"],"aliases":["TIG-welding","Tungsten arc welding","Tungsten inert gas welding"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053344","provider":"lcsh","revision":"243c30999cc2eb9a","taxonomy_revision":"f050b5d4780b1289","title":"Gas tungsten arc welding","url":"/topics/S85053344","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9511607103115380288","address_version":"morton4x16-v1","coordinates":[0,20,18238,32768],"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}