1. Mechini e khutlisang ka holim'a metsi e amohetse li-shafts tse tharo ho laola ho khutlisetsa lintho holimo 'me e tšoanela boholo bo fapaneng ba mantlha ba pampiri.
2. Mochini o khutlisetsang morao mochini o ikemetseng oa bolelele ba bolelele: counter ea mehato e 'meli e fana ka taolo e nepahetseng ea bolelele ba ho khutlisa.
3. Hang ha bolelele bo behiloeng bo fihlile le ho amoheloa ka motlakase joale li-shaft li tla fetoha hang-hang le ka tsela e iketsang ho etsa bonnete ba hore ts'ebetso e bonolo le ts'ebetso e nepahetseng.
4. Motlakase oa ho khutlisa mochini o ka phethoang: taolo e phahameng e ka sebelisoang e fana ka taolo e bonolo ea ts'ebetso eohle ea ho khutlisetsa morao.