
Background noise is one of the most important factors that affect sound transmission. It is an advantage that it is measureable and, under certain conditions, it is even possible to […]
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Noise is a combination of oscillations of various sound levels, which are irregular, loud, discordant, and undesirable. Background noise is a form of noise pollution or interference and it is […]
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Fires, floods, storms, tornadoes, and landslides – these are only a few examples of natural catastrophes man needs to be prepared for. In the ancient times, people felt unprotected, vulnerable, […]
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