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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

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
Part E
Resistance of the Passage of Sound

Welling - Commercial Energy Audit - 020 3390 0301
The office that covers this area is: London
Phone Number: 020 3390 0301 Email: welling@e2consultants.co.uk
Our other services include:
Commercial Energy Audit can also be known as:
Thermography Survey, Commercial Code Air Infiltration Survey, Heat Loss Survey, Thermography, Thermal Imaging Survey, Building Thermal Imaging Survey, Thermal Imaging, Commercial Thermal Imaging Survey, Commercial Heat Loss Survey, Commercial Thermal Imaging, Commercial Thermography Survey, Commercial Building Thermal Imaging Survey, Energy Audit, Commercial Thermal Imaging Inspection, Thermal, Commercial Thermal, Code Air Infiltration Survey, Commercial Thermography,


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