1

Urban noise solutions Options

News Discuss 
Working day-evening average degree, DNL or LDN: This measurement assesses the cumulative publicity to sound for just a 24-hour interval (Leq about 24 hrs) of the year, with a ten dB(A) penalty or excess weight extra to nighttime noise measurements given the enhanced sensitivity to noise at night. From this, https://soundproofing51727.blog5star.com/32387115/how-much-you-need-to-expect-you-ll-pay-for-a-good-double-glazing-benefits

Comments

    No HTML

    HTML is disabled


Who Upvoted this Story