![]() Earplugs are a very effective way of protecting hearing. The louder the noise the more quickly it can damage hearing and you should treat any noise over 87dB with caution. It's surprising which noises can damage our hearing. In the case of noises which can damage our hearing then we should wear appropriate ear protection. We can ask the person politely to stop clicking their pen or remove ourselves from the situation. There is of course, very little we can do about some annoying sounds. It may be surprising to know that many noises (from 1 to 3) are all human actions performed on a regular basis and are more connected to perceived manners and behaviour than to a specific volume or frequency level. What is important to note is that perception is dependent on personality and very often on mood.
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