Hearing protection. Didn't hear it coming ... noise and hearing in industrial accidents.
D000062:Accidents, Occupational / Q000517:prevention & control*; D004430:Ear Protective Devices; D034381:Hearing Loss / Q000209:etiology* / Q000517:prevention & control; D006801:Humans; D007221:Industry; D009623:Noise, Occupational / Q000009:adverse effects* / Q000517:prevention & control; D016272:Occupational Health; D014481:United States; D014489:United States Occupational Safety and Health Administration; D017132:Workplace