Umnatha wentsimbi engatyiwa yenye yezona ndawo zidumileyo zocingo olulukiweyo ezinomnatha owahlukileyo, idiameter yocingo, kunye nedayamitha yokuvula ukuze ube neendidi ezahlukeneyo kunye neemveliso ezilukiweyo zocingo olulukiweyo. Ke ngoko, yimveliso yemesh eguquguqukayo, esetyenziselwa ukuhluza kunye nokuhluza iigesi, ulwelo kunye nezinto eziqinileyo, ukwahlula imidiya, njl.
Ixesha lokuposa: Jan-01-2022