Hayaniyar da ke cikin ɗakin jirgin ta fi fitowa ne daga injunan diesel. Hayaniyar da ke cikin gidan ba wai kawai za ta tsoma baki tare da lalata aikin na'urorin da kayan aikin na jirgin ba, har ma yana shafar amfani da wayoyin tarho da bututun wayar don sadarwa, kuma idan ma'aikatan suna cikin yanayin aiki mai ƙarfi na dogon lokaci. lokaci, kula Kuma za a rage ƙarfin aiki, yana shafar lafiyar jiki da tunani. Don wuraren da aka rufe, reverberation yana da tasiri mafi girma akan amo, kuma ɗaukar sauti da raguwar amo shine ma'auni mai tasiri don rage yawan sakewar gida.

Abubuwan da ake shayar da sauti na gargajiya galibi sun haɗa da: kayan fiber na halitta (kamar fiber auduga, fiberboard na itace), kayan fiber na inorganic (kamar ulun gilashi, ulun dutse), da kayan polymer mai kumfa (polyurethane kumfa, kumfa polypropylene), amma waɗannan kayan sune. ƙarancin ƙarfi, gaggautsa da sauƙin karyewa, gajeriyar rayuwar sabis, mai sauƙin shaƙewa, mai sauƙin tashi, da sauƙin samar da gurɓatawar sakandare. Yin la'akari da yanayi na musamman a kan jirgin da kuma bukatun kiwon lafiya na ma'aikata, ya kamata a zaba nauyin nauyin nauyi da sauti. Kyakkyawan, mai jure wuta, mai hana harshen wuta, mai tabbatar da danshi, mara ƙura, mara guba, kayan lafiya da muhalli. Tare da haɓaka fasahar fasaha da masana'antun masana'antu, sabon nau'in nau'in nau'in nau'in nau'in nau'in sauti mai laushi ya fito, wanda ake kira kayan ƙarfe na kumfa.

Akwatin da ke ɗauke da sauti wanda ya haɗa da allo mai ɗauke da sautin aluminium mai kumfa da wani rami a bayansa an sanya shi a cikin ɗakin injin na cikin jirgin, wanda zai iya rage hayaniya da fiye da decibels 20, wanda ke taimakawa wajen kera jiragen ruwa marasa shiru.
Sauran jiragen ruwa irin su masu lalata makamai masu linzami kuma suna buƙatar amfani da kumfa aluminium mai ɗaukar sauti don rage hayaniya a cikin ɗakin injin da yin bangon yanki.
Tsarin tsari na faranti na sulke, faranti na aluminum kumfa, da faranti na ƙarfe don jiragen ruwa na iya ƙara ƙarfin belun fiye da sau 2, kuma juriya da juriya na ballistic na iya ƙaruwa fiye da sau 2.

Aluminum mai kumfa yana da ƙarancin ƙima, ƙarfi mai ƙarfi, juriya na lalata, rufin sauti, da rashin konewa. An yi amfani da shi a cikin jigilar jiragen sama, jiragen ruwa, jiragen ruwa na fasinja, jiragen ruwa masu gauraya, jiragen ruwa, da dai sauransu, ana iya amfani da aluminum kumfa don yin sautin murya, rufi na cikin gida, benayen wuta mai kare wuta, bututun injin, kayan aiki, da dai sauransu.