Ukudubula kwentsimbiyenziwe ngentsimbi yekhabhoni ngokunyibilika kunye nokwenza.Isetyenziswa ngokubanzi njengezithambisi zokucoca, ukubhengeza, ukulungisa umphezulu kunye nokuchama.Ubungakanani bayo obahlukeneyo buya kugqiba ukugqiba okugqityiweyo kumphezulu womsebenzi oza kuqhunyiswa.