{"id":"S85084205","label":"Metals--Heat treatment","description":"Here are entered works on the heating of metals to obtain desired properties. Works on the heating of metals for the purpose of hot working are entered under [Metals--Heating.]","source_url":"https://id.loc.gov/authorities/subjects/sh85084205","normalized_label":"metals--heat treatment","broader":["http://id.loc.gov/authorities/subjects/sh85084158"],"aliases":["Heat treatment of metals"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85084205","provider":"lcsh","revision":"04e0d368e730f9ce","taxonomy_revision":"f050b5d4780b1289","title":"Metals--Heat treatment","url":"/topics/S85084205","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9549962191860531712","address_version":"morton4x16-v1","coordinates":[0,20,18720,46080],"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}