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How loud is too loud?
Noise above 85 dBA over time will cause hearing loss. In general, the louder the noise, the less time required before hearing loss...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
Part E
Resistance of the Passage of Sound

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


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