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Which are the sound made by common things in house Plz give answer

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Answer:

The quiet “hum” of a refrigerator is a common background noise FOUND in most kitchens. This humming falls within the safe ZONE at 50dB. DRYING your hair exposes you to sounds between 60-95dB. While the noise from some hair DRYERS are safe, other models may be louder due to advanced heating technology or internal mechanics.



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