Yenziwe ngendwangu engalukiwe ethambile nengenayo i-fiberglass, ukwakhiwa kwesendlalelo esingu-3, ucezu lwekhala olude ngokwengeziwe ukuze lulingane kangcono, isitayela esibophayo;
Imibala egqamile ingakhulula ukungezwani kweziguli futhi ibuye ifanele ukugqokwa kwansuku zonke;
Ifanele izimo lapho ukuchayeka egazini kanye/noma uketshezi lomzimba kungeyona ingozi;
I-BFE > 99 %
