![]() For these reasons experts, techniques, and resources are available to reduce noise levels and mitigate their impacts. ![]() In addition to causing loss of hearing, it can raise stress levels and contribute to high blood pressure (Rathner 2014). Distinct from background or transient noise, sustained exposure to high levels of noise constitutes a health hazard. Human-made noise is ubiquitous in daily life, from the background hum of the computer or refrigerator to the drone of leafblowers, the passing roar of an overhead airplane, or the beeping of a backing truck. Numerous resources are available to provide guidance for engineers and others in addressing noise concerns.
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