Apparently, the polystyrene like blocks the air particles and absorbs them! I THINK>>>>> ;) XX xx
Sponge is used in ear defenders to provide cushioning and create a comfortable seal around the ears. This helps to block out external noise and improve the effectiveness of the ear defenders in protecting the user's hearing.
why not !!
The other name for polystyrene is Styrofoam.
Polystyrene is formed from only one monomer - styrene.
thermocol is the common name for air bubbled polystyrene.
it blocks out sound.
something that you can make good ear defenders with
styrofome will do the trick
Foam, rubber, and cotton wool can be used for ear defenders.
Ear defenders protect your ears by absorbing the sound and fizzling it out
people wear ear defenders because incase of a high pitch sound the ears defenders absorb the sound and then you don't have an ear infection.
Well, ear defenders absorbs the sound from going to your ear, if you don't wear ear defenders when your working in loud noises your ear can be damage.
plastic is a good idea for the final layer of ear defenders because it is tough and effective. it's also relitavely cheap, when do not see plastic used on head/earphones, it helps block out sounds. BOOM
The people who wear ear defenders are the people who live or work in noisy environments, the Ear defenders protect them from loud noises, For example a builder might wear ear defenders to prtect his ears from the loud noise of the construction site. The noise may damage, His/Her ears.
Sponge is used in ear defenders to provide cushioning and create a comfortable seal around the ears. This helps to block out external noise and improve the effectiveness of the ear defenders in protecting the user's hearing.
people wear eardefenders because some peoples ears get really cold and they can get an ear infection that's why people wear ear defenders
Plastic (in conjunction with a couple of other materials) is a good choice for ear defenders for a number of reasons. First, it's tough and effective. It's also fairly cheap, readily available and easy to work with. Plastics come in a wide variety of types and with as wide a range of characteristics. Can anyone lookaround himself in a day and not see something made of plastic that is in use? Plastic is an excellent material from which to make ear defenders.