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Working day-night time regular degree, DNL or LDN: This measurement assesses the cumulative publicity to sound to get a 24-hour time period (Leq in excess of 24 hrs) from the calendar year, with a ten dB(A) penalty or body weight extra to nighttime noise measurements provided the elevated sensitivity to https://acoustic-performance08777.blogdiloz.com/31178611/5-essential-elements-for-glazing-installation

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