Umbala wokukhanya omsulwa, ukusebenza okuzinzile nokuthembekile: Umbala okhanyayo okhishwa isibani ufana futhi umsulwa, ngaphandle kokubanga ukucwayiza, uqinisekisa ukusebenza okuzinzile, wehlisa ukubola kokukhanya nokwehla kokukhanya, kanye nokuthuthukisa ulwazi olunzulu ngomsebenzisi nokuphepha.