Working day-night time normal degree, DNL or LDN: This measurement assesses the cumulative publicity to sound for any 24-hour interval (Leq more than 24 hrs) in the year, using a 10 dB(A) penalty or fat additional to nighttime noise measurements offered the amplified sensitivity to noise during the night time. https://remingtonqxens.ltfblog.com/31238544/details-fiction-and-thermal-performance