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Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more

Sound Transmissions
Paths can be interrupted by insulation and blocking air paths. A material's insulation is governed by mass, stiffening and damping...more
Part L2B
Conservation of fuel and power

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Display Energy Certificate in Shropshire, Display Energy Certificate in Somerset, Display Energy Certificate in South Yorkshire, Display Energy Certificate in Staffordshire, Display Energy Certificate in Stirlingshire, Display Energy Certificate in Strathclyde, Display Energy Certificate in Suffolk, Display Energy Certificate in Surrey, Display Energy Certificate in Swansea County,