Izixhobo zeMveliso

Izixhobo zokuvelisa ziquka imigca emi-5 yokuvelisa umbhobho ovunguzayo,-imigca emi-3 yokuvelisa umbhobho wentsimbi, imibhobho e-6 yokugquma, imigca yokuvelisa umbhobho we-thermal insulation 6, kunye nemigca emi-2 yokuvelisa umbhobho wentsimbi yomthungo othe tye, kunye nemveliso yonyaka yeetoni ezingama-300,000.