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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

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Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...more
Denbighshire - Display Energy Certificate - 01978 633 079
The office that covers this area is: Wrexham
The towns & cities that are covered within this county are:
Denbigh, Llangollen, Prestatyn, Rhuddlan, Rhyl, Ruthin, St. Asaph,
Phone Number: 01978 633 079 Email: denbighshire@e2consultants.co.uk
Our other services include:
Display Energy Certificate can also be known as:
DEC,


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Company No. 06728970