Noise measurement.
D004582:Electronics, Medical / Q000295:instrumentation; D006317:Hearing Loss, Noise-Induced / Q000517:prevention & control*; D006801:Humans; D008452:Maximum Allowable Concentration; D009622:Noise / Q000009:adverse effects*; D009623:Noise, Occupational / Q000009:adverse effects*; D009784:Occupational Diseases / Q000517:prevention & control; D009787:Occupational Medicine / Q000295:instrumentation*