Occupational noise: measure it, then do something about it.
D003638:Deafness / Q000517:prevention & control*; D004781:Environmental Exposure; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control; D006320:Hearing Tests; D006801:Humans; D009622:Noise; D009784:Occupational Diseases / Q000517:prevention & control*; D009787:Occupational Medicine; D011482:Protective Devices; D013997:Time Factors