title: [Mandatory sign for marking noise areas].
mesh_terms: D005860:Germany, West; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D007883:Legislation, Medical; D009787:Occupational Medicine; D011482:Protective Devices
vernacular_title: Gebotsschild zur Kennzeichnung von Lärmbereichen.