Loud sound in the workplace can sneak up on people causing hearing damage. 60% of workers are exposed to sound so loud, they could suffer occupational hearing loss. / / Managers and employees should be award of the three kinds of dangerous sounds, continuous, intermittent and impulsive, and how to protect hearing from them with their PPE. / / Companies can avoid occupational hearing loss for employees by reducing the noise levels, providing hearing protection and conducting annual hearing tests.