Type your awnser here.....
Chat with our AI personalities
an ear drum!
Cotton wool is NOT good for hearing protection as it only has an average attenuation of 7dB whereas you require 25-30dB in an average metal workshop for proper protection. DO NOT use cotton wool as hearing protection EVER. If one tiny little cotton fibre gets left behind you're in trouble - ear infection on the way!
a model of a ear
Tone is a pure sound. Typically, a fixed frequency makes a single tone. In the ear (human) a tone stimulates (there are restrictions) only one part of the ear. What is tone in ear?
middle ear In your ear, it is the smallest muscle in the human body, it stabilizes the smallest bone in your body the 'Stapes.'