Engineering ﾖ Students are taught the principles of sound and the inner ear. How sound works and how to engineer sound to acceptable levels. Management ﾖ Many noise conditions are a result of the lack of proper investigation of amplification problems inherent in an operation. This course also takes into consideration the impact of noise complaints and noise on the surrounding public. What can be done to mitigate the problem? Personal Protective Equipment - the many forms of personal protective equipment that is available for workers to comfortably protect their own hearing resources.