{"id":"S85146020","label":"Welding--Safety measures","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85146020","normalized_label":"welding--safety measures","broader":[],"aliases":["Electric welding--Safety measures","Oxyacetylene welding and cutting--Safety measures"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85146020","provider":"lcsh","revision":"2d33c50821cc7759","taxonomy_revision":"f050b5d4780b1289","title":"Welding--Safety measures","url":"/topics/S85146020","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513928980756039232","address_version":"morton4x16-v1","coordinates":[0,20,19686,36864],"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}