Sinikezela ngenani leekhilitha zokucoca izicelo ezahlukeneyo ezibonelela ngokukhululeka koku-odola nokubonelela ngemali xa kuthelekiswa nokuthenga iimveliso ngokukodwa. Sikwanabavelisi obanzi kwizinto ezibanzi zeDonaldson zomoya kunye neefilitha ezingamanzi ukunceda ukubonelela ngeendlela zokusebenza kuzo zonke iintlobo zokwenza izicelo zokukhusela.
Ukuba awazi ukuba yeyiphi ikhitha ye-slill ilungele wena, nceda uqhagamshelane nathi kwaye siya kuphendula imibuzo yakho kwaye sikunike ukhetho olufanelekileyo.