1. Sireletsa ts'ireletso 2. Tšireletso e khuts'oane ea potoloho 3. Ho laola 4. E sebelisoa mohahong oa bolulo, moaho o seng matlo oa bolulo, indasteri ea matla le lits'ebeletso tsa matla. 5. Ho latela mofuta oa topollo ea hang-hang e arotsoe ka mokhoa o latelang: Type B (3-5) LN, Type C (5-10) LN, Type D (10-20) Ln