Focus on cutting noise.
D003638:Deafness / Q000209:etiology* / Q000517:prevention & control; D004430:Ear Protective Devices; D004781:Environmental Exposure; D006801:Humans; D009622:Noise / Q000009:adverse effects / Q000517:prevention & control*; D009784:Occupational Diseases / Q000209:etiology / Q000517:prevention & control*; D009787:Occupational Medicine / Q000592:standards; D014481:United States