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1. BIOMEDICAL EQUIPMENT TRAINING
HEARING AID
ATHEENAPANDIAN PRIVATE LIMITED

2. MEAN?
Hearing aids can all be described as
small, wearable electronic devices which
enable a person to hear sounds better
and understand speech more clearly,
providing an overall improvement in
communication ability.

4. Humans can detect sounds in a frequency
range from about 20 Hz to 20 kHz.
(Human infants can actually hear
frequencies slightly higher than 20 kHz,

9. THANK YOU
VERY MUCH