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Foam, rubber, and cotton wool can be used for ear defenders.
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∙ 9y ago
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Why is plastic a good material to use for 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.
What does an ear defender particle diagram look like?
You have your ear defenders. Then the sound waves hit the ear defenders and bounce off it.Other answerFirstly you draw the ear defender. Most likely sideways.Secondly, you can draw the materials you want to use in order and add what the particles look like in each material - close together, far apart etc.Hope I helped XD
How do ear defenders protect your ears?
Ear defenders protect your ears by absorbing the sound and fizzling it out
Where do people wear ear defenders?
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.
Why should you use polystyrene and thermalplastic to make ear defenders?
it blocks out sound.
How do ear defenders protect your ear?
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.
Who needs to wear ear defenders?
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.
Why do people wear ear defenders?
people wear eardefenders because some peoples ears get really cold and they can get an ear infection that's why people wear ear defenders
What part of the ear is protected when wearing ear defenders?
Well, ear defenders will sit over your whole ear protecting all of it. But the part that's important to protect is the inner ear, that's where the actual hearing takes place.
What could you use to protect your ears from loud sounds?
Ear defenders could be used to protect your ears!
Who wears ear defenders?
work men
Why do road diggers need ear defenders?
Because digging roads is very loud work and will damage your hearing if you don't wear ear defenders.
