Emhlabeni wemishini yezimboni nemishini, kunezinto ezingenakubalwa ezidlala indima ebalulekile ekuqinisekiseni ukusebenza okuhle nokusebenza kahle. Enye yengxenye enjalo ipuleti le-diaphragm, elisetshenziswa kakhulu ezinhlelweni ezahlukahlukene, kufaka phakathi amaphampu, ama-valve, nama-compressors. Kodwa-ke, amapuleti ajwayelekile we-diaphragm kungenzeka angahlangabezana nezidingo ezithile zezimboni ezithile noma asebenze