د.ابوالقاسم مسعود الشيخ2026-09-212026-09-21https://dspace.academy.edu.ly/handle/123456789/2558Noise is an unwanted or damaging sound that may damage your hearing and cause other health effects such as stress, hypersensitivity to noise, increased blood pressure and increased heart rate. It can also interfere with communication at work, which could lead to accidents. The normal range of hearing for a healthy young person is from approximately 20 Hz (Hertz) to 20,000 Hz (20 kHz). Our ears are more sensitive to the middle frequencies, which range from 500 Hz to 4000 Hz - the speech frequencies. Hertz is a measure of the pitch or frequency of sound. [3]Noise is an unwanted or damaging sound that may damage your hearing and cause other health effects such as stress, hypersensitivity to noise, increased blood pressure, increased heart rate and cause death. Due to the effects of noise to the performance of working people at many industrial locations. such as power stations.NOISE PROBLEM AT THE POWER