Prolonged exposure to high levels of noise can cause permanent hearing loss. Fortunately, out of all the many potential workplace injuries, hearing impairment is one of the most preventable with the use of appropriate PPE, such as earmuffs and earplugs. But, which hearing protection is best? Firstly, let’s break down what harmful noise actually is. The Australian Standard AS/NZS 1270:2002: Acoustics...
