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Working day-evening ordinary stage, DNL or LDN: This measurement assesses the cumulative publicity to sound to get a 24-hour period of time (Leq about 24 hrs) on the 12 months, by using a 10 dB(A) penalty or weight extra to nighttime noise measurements supplied the enhanced sensitivity to noise during https://sound-insulation70245.blogkoo.com/urban-noise-solutions-options-51639320

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