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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
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 L1A
Conservation of fuel and power IN NEW DWELLINGS
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In County G
Sustainability Statement in Glamorgan, Sustainability Statement in Gloucestershire, Sustainability Statement in Grampian, Sustainability Statement in Greater Manchester, Sustainability Statement in Gwent, Sustainability Statement in Gwynedd County,