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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

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
Wrexham - Ventilation Commissioning Certificate - 01978 633 079
The counties covered by this office are:
, Conwy County, Denbighshire, Wrexham County, Gwynedd County, Flintshire,
Phone Number: 01978 633 079 Email: wrexham@e2consultants.co.uk
Our other services include:
Ventilation Commissioning Certificate can also be known as:
Part F Ventilation Testing, Duct Testing, Ventilation Testing Equipment, Air Flow Rate Testing, Part F Testing, Part F Ventilation Certificate, Part F Fan Testing,


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