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Good Hearing?
A typical person with good hearing can hear from about 20Hz to 20kHz (the audio bandwidth). A person's voice will usually range from 500Hz to 2kHz...more
Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more
Part E
Resistance of the Passage of Sound
Bolton le Sands - FRA - 0161 403 0129
The office that covers this area is: Manchester
Phone Number: 0161 403 0129 Email: bolton-le-sands@e2consultants.co.uk
Our other services include:
FRA can also be known as:
Fire Risk Assessment,
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Company No. 06728970
