Ilwazi ngomunye nomunye umsebenzi lihlelwa ngokuya kweendawo ezilikhomba eziqakathekileko , oku , yihlathululo : amagadango okufanele alandelwe ; imithetho esetjenziswako ; amazinga wokusebenza nesikhathi ; iindleko ; amaforomo azaliswako nemininingwana yokuthintana .