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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

Sound Levels
Decibels (dB) are most commonly used as a measure of sound level, but they are also used in electronics, signals and communications...more
Part E
Resistance of the Passage of Sound

Norwich - Ventilation Commissioning Certificates - 01603 310 128
The office that covers this area is: Peterborough
Phone Number: 01603 310 128 Email: norwich@e2consultants.co.uk
Our other services include:
Ventilation Commissioning Certificates can also be known as:
Ventilation Testing Equipment, Part F Fan Testing, Part F Ventilation Certificate, Ventilation Commissioning Certificate, Air Flow Rate Testing, Part F Testing, Part F Ventilation Testing, Duct Testing,


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