Mochine oa ho hlatsoa lesela la mabili o amohela sistimi ea mabili ho ea hlohlelletsa le ho tlosa litšila ka linthong ho netefatsa boleng bo phahameng ba lehlabathe.
Ka litlhophiso tsa eona tse ka fetohang le tšebeliso ea matla a tlase, mochini oa marang-rang oa mahlaseli a marang-rang o loketse lits'ebetso tse kang ho haha, meepollo le tlhahiso ea konkreite.
1. Tsamaiso e loketseng le ea tlhokomelo e bonolo.
2. Bokhoni bo boholo bo sebetsang, ts'ebeliso e nyane ea matla a fokolang.
3. Tekanyo e phahameng ea ho hloekisa, tahlehelo e fokolang ea lisebelisoa tse hlatsoitsoeng.
4. A sebelisa motlakase, opetso e tsitsitseng, le lerata le tlase.