Isistimu yokulawula ikhwalithi elandelekayo ye-DASQUA.
- I-CNAS yamazwe ngamazwe egunyaziwe ilebhu nesikhungo sokuthuthukisa. Uhlelo olugcwele lokuhlola lwe-PSI Ukuqinisekisa ikhwalithi ethembekile engaguquki kusukela ekuqaleni kwawo-1980 enikeza amakhasimende ngomshini onembile, ukulungisa izimoto, umsebenzi wokhuni & ingcweti.