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Sound Absorption
The loss of sound energy when sound waves come into contact with an absorbent material such as ceilings, walls, floors and other objects...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

Morfa Nefyn - DEC - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: morfa-nefyn@e2consultants.co.uk
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DEC can also be known as:
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