Acoustic board, soundproof board, mapanelo odzipatula amawu amagwiritsidwa ntchito pakuwongolera mawu ndi kugwedezeka.Mapepala ochepetsera phokoso amapereka zinthu zomveka bwino, sizowopsa, zopanda poizoni komanso zosagwirizana ndi madzi ndi mafuta amchere.Ntchito zokhazikika zimaphatikizapo ma ducts olowera mpweya, ma hoppers, alonda a makina, mabwato, mabasi, ma compressor a mpweya ndi zotchingira za jenereta.Amatha kugwiritsidwa ntchito kwambiri m'chipinda chochitira masewera olimbitsa thupi komanso pansi pachipinda cha ana kuti achepetse phokoso ndikupereka malo otetezeka kwa ana ang'onoang'ono.