{"id":"S85031524","label":"Contamination (Technology)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85031524","normalized_label":"contamination (technology)","broader":["http://id.loc.gov/authorities/subjects/sh85046855"],"aliases":["Impurities (Technology)","Industrial contamination","Particulate contamination in industry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85031524","provider":"lcsh","revision":"8dc5a38993e0ab8b","taxonomy_revision":"f050b5d4780b1289","title":"Contamination (Technology)","url":"/topics/S85031524","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513858629191746052","address_version":"morton4x16-v1","coordinates":[0,20,17897,36864],"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}