Offices Nationwide
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
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
Part L2B
Conservation of fuel and power
Copyright 2024 E2 Specialist Consultants Limited
Company No. 06728970
In Area O
DEC in Oadby, DEC in Oakamoor, DEC in Oakham, DEC in Oban, DEC in Ockham, DEC in Oddingley, DEC in Okehampton, DEC in Old Warden, DEC in Old Windsor, DEC in Oldbury, DEC in Oldham, DEC in Oldmeldrum, DEC in Olney, DEC in Omagh, DEC in Once Brewed, DEC in Ongar, DEC in Orford, DEC in Orkney, DEC in Ormskirk, DEC in Orpington, DEC in Ossett, DEC in Oswaldtwistle, DEC in Oswestry, DEC in Otley, DEC in Otley, DEC in Ottery St. Mary, DEC in Oulton, DEC in Oundle, DEC in Outwood, DEC in Overbury, DEC in Oxford, DEC in Oxted, DEC in Oxton,