Umbala okhanyayo omsulwa, ukusebenza okuqinile nokuthembekile: umbala okhanyayo okhishwa isibani umfaniswano futhi umsulwa, ngaphandle kokubangela i-flicker, uqinisekise ukusebenza kwesikhathi eside, unciphise ukuwohloka komsebenzisi nokuphepha okukhanyayo.