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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 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
Part L1B
Conservation of fuel and power in Existing Dwellings

Holywell - Water Calculations - 01978 633 079
The office that covers this area is: Wrexham
Phone Number: 01978 633 079 Email: holywell@e2consultants.co.uk
Our other services include:
Water Calculations can also be known as:
Part G Water Calc, Part G Water Calculation, Water Usage Calculation, Part G,


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