It's useful for the elderly
- 4% Medicine
- 5% Dentures
- 7% Love
- 7% Hearing aid
- 8% Glasses
- 16% Wheelchair
- 47% Cane
Noise heard in a city
- 1% Contructions
- 1% Barking
- 1% Music
- 4% Trains
- 9% Sirens
- 23% People
- 55% Cars
Jellyfish picture
- 1% Tentacles
- 5% Orange
- 18% Sting
- 23% Ocean
- 47% Jellyfish
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