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The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more

Sound Intensity
Sound intensity's measured in Decibels (dB). An logarithmic scale where an increase of 10 dB gives an apparent doubling of loudness...more
Part E
Resistance of the Passage of Sound

Wrexham - Display Energy Certificate - 01978 633 079
The counties covered by this office are:
Denbighshire, Gwynedd County, Wrexham County, , Flintshire, Conwy County,
Phone Number: 01978 633 079 Email: wrexham@e2consultants.co.uk
Our other services include:
Display Energy Certificate can also be known as:
DEC,


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