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Isivalo somlilo ne-acoustic
Inzuzo Yomkhiqizo；
1)Ukukhishwa kwe-Triplex kwe-core, i-case kanye ne-raber kuqinisekisa ukuthi i-raber ayisuki.
2)Kunezinhlobo ezahlukene zamaphrofayili akhethekile atholakalayo ngokwezidingo zamakhasimende.
3)Ukwandiswa okuphindwe ka-30.
4)Izinga lokushisa eliphansi lokunweba lingu-180℃ kuya ku-200℃.
5)Ukuxhumanisa izinto ndawonye ukuqinisekisa ukuthi izinto eziyinhloko aziwi.
6)“Isitifiketi” saseWarrington, umbiko wokuhlolwa we-BS EN 1634-1.
7)Ilogo yokuphrinta ku-inthanethi kanye nenombolo yebhetshi kumkhiqizo.