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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

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 L1B
Conservation of fuel and power in Existing Dwellings

Halifax - CSH - 01422 705 017
The office that covers this area is: Wakefield
Phone Number: 01422 705 017 Email: halifax@e2consultants.co.uk
Our other services include:
CSH can also be known as:
Code for Sustainable Homes Daylight Calculation, C4SH, Code Assessment, Code for Sustainable Homes, Sustainable Homes,


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