Likarolo tsa tšepe tsa rabara li bapala karolo ea bohlokoa ho tsamaiseng le ho emisoa ha likoloi tsa sejoale-joale:
√ Fokotsa ho sisinyeha ha likarolo tsa koloi, 'mele oa likoloi le lienjineri.
√ Phokotso ya lerata le tsamaiswang ke sebopeho, ho dumella metsamao e lekanyeditsweng mme ka hona ho fokotsa matla le kgatello ya maikutlo.