{"id":"S85092183","label":"Noise control","description":"Here are entered general works on the reduction or elimination of noise. Works on noise in types of institutions and industries and generated by types of vehicles, machinery, equipment, etc., and efforts to reduce or eliminate it, are entered under the appropriate heading with the subdivision [Noise.]","source_url":"https://id.loc.gov/authorities/subjects/sh85092183","normalized_label":"noise control","broader":["http://id.loc.gov/authorities/subjects/sh85000596","http://id.loc.gov/authorities/subjects/sh85044170","http://id.loc.gov/authorities/subjects/sh85092179"],"aliases":["Noise prevention"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85092183","provider":"lcsh","revision":"0b798e0e2122d701","taxonomy_revision":"f050b5d4780b1289","title":"Noise control","url":"/topics/S85092183","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"867162848848397828","address_version":"morton4x16-v1","coordinates":[0,20,18845,23552],"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}