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What should a hearing-impaired person we...

What should a hearing-impaired person wear in order to enhance his hearing power by amplifying sound?

A

Ear-horn

B

Stethoscope

C

Mobile headset

D

Jackhammer's headphone

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Hearing impiarment is caused by either excessive noise or injury, disease, age, or by a combination of any of them. Many devices are used by the hearing impaired persons. Ear-horn is one of them. Ear-horn is a device that is used to

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