1. Tšireletso e feteletseng 2. Tšireletso ea potoloho e khutšoanyane 3. Ho laola 4. E sebelisoa meahong ea bolulo, meaho eo e seng ea bolulo, indastering ea mohloli oa matla le meaho. 5. Ho ea ka mofuta oa tokollo ea hang-hang e hlophisitsoeng ka tsela e latelang: mofuta oa B(3-5)ln, mofuta oa C(5-10)ln, mofuta oa D(10-20)ln