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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
London - Part F Fan Testing - 020 3390 0301
The counties covered by this office are:
London, Hertfordshire, , Surrey, Oxfordshire, Middlesex, Essex, Kent, East Sussex, Berkshire,
Phone Number: 020 3390 0301 Email: london@e2consultants.co.uk
Our other services include:
Part F Fan Testing can also be known as:
Part F Testing, Duct Testing, Air Flow Rate Testing, Part F Ventilation Certificate, Ventilation Commissioning Certificate, Ventilation Testing Equipment, Part F Ventilation Testing,


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