Yenzelwe ngezikhululo ezi-3 okanye ezi-4 zokulayisha, inokuqwalaselwaNgokweemfuno zabathengi, kwaye unokuhlangabezana ngokulula nayoNokuba ngexesha lemveliso ye-peak ukuqinisekisa ukulayishaukusebenza kakuhle.
Ukuphakama okufanelekileyo kwezikhululo zokutyisa kunciphisa ukudinwa. Ukuphakama ukuphakama kunokulungiswa ukuze kuhlangatyezwane neemfuno zabaqhubi beendawo eziphakamileyo kwaye banciphise amandla abasebenzi bomqhubi.
Iijelo zabelwe ngokuzenzekelayo kwisikhululo ngasinye sokulayisha ukuqinisekisa ukuhanjiswa kweentlola kweenwele kwindawo nganye.