10/16/21
Some situations are an obvious risk to hearing ability. Take, for instance, a job on an airport tarmac. You have seen the employees there wearing heavy noise-canceling earmuffs and using hand gestures to communicate with one another. The loud sound of jet engines would be enough to cause hearing damage in a short amount of time if it were not for these protective devices. Similarly, you have seen people wear these helpful units at a...
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