Noise Exposure: The nerve endings in our inner ear are destroyed by exposure to loud noise. More exposure can lead to more nerve endings that are dead. The consequence is permanent hearing loss, which cannot be corrected by surgery or medicine. The ability to hear high frequency sounds and understand speech, which severely impairs the ability to speak, is impaired by noiseinduced hearing loss. Hearing aids can help, but do not restore the normality of your hearing. The use of quieter devices, isolating the noise source, limiting worker exposure, or using appropriate protective equipment are ways of managing worker