Kusayinwe nge "wall-plate-level"

Izigaba Zokuhlola ze-NHBRC: Okwenzekayo Esigabeni Ngasinye

Izigaba zokuhlola ze-NHBRC: isisekelo, i-superstructure (i-wall plate nophahla), ukuqedwa okungokoqobo namanzi esiphepho, nohlu lokuphumelela okokuqala.