{"id":"S85082065","label":"Materials","description":"Here are entered comprehensive works on the basic engineering and industrial materials used in the construction of devices, apparatus, structures, equipment, etc.","source_url":"https://id.loc.gov/authorities/subjects/sh85082065","normalized_label":"materials","broader":["http://id.loc.gov/authorities/subjects/sh85043209"],"aliases":["Engineering materials","Engineering--Materials","Industrial materials"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85082065","provider":"lcsh","revision":"8aa9b0d629d219c7","taxonomy_revision":"f050b5d4780b1289","title":"Materials","url":"/topics/S85082065","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864770294437791300","address_version":"morton4x16-v1","coordinates":[0,20,18687,17408],"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}