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Roll the rounded end of the plug whilst pulling the ear by putting the opposite arm over your head and pulling your ear upwards. When the earplug has been squashed quickly insert it into your ear whilst still pulling the ear up. The earplug will then start to expand and you can let go of your ear, if it slips out slightly just push it back in. You have to be quick between rolling the plug and putting it in your ear cos they can expand quickly.
Noise — sound is picked up by a small, spiral-shaped organ called the cochlea that is located within the inner ear. Thousands of tiny hairs in the cochlea sense the vibration and pass the message to the brain via the cochlear nerve. These sensitive hairs can be damaged by excessive noise. The scar tissue that results from this damage can’t conduct sound. Ringing in the ears (tinnitus) after exposure to loud noise is a warning sign that your ears have been overloaded. Drugs — certain chemicals and drugs can damage your hearing if taken over long periods of time. Disease — some diseases, such as measles, mumps, rubella (German measles) and meningitis, can cause loss of hearing. Injury — including perforation of the ear drum, fractured skull or large changes in air pressure (barotrauma).