Tsamaiso ea ho sefa
1. Likhoere-khoere tse lokelang ho phekoloa li kenella ka har'a karolo ea sefe e tsoang ho lesoba la metsi;
2. Metsi a phalla ho tsoa kantle ho sehlopha sa disc ea filter ho ea kahare ho sehlopha sa disk disc;
3. Ha metsi a phalla ka kanaleng e entsoeng ke likhopo tse bōpehileng joaloka reng, likaroloana tse kholo ho feta bophahamo ba likhopo lia ts'oaroa ebe li bolokoa sebakeng se bopiloeng ke likhopo tse kobehileng le lekhalo le lipakeng tsa sehlopha sa disk disc le khetla;
4. Kamora ho sefa, metsi a hloekileng a kena ka har'a disk ea sefahleho e bopehileng joaloka lesale ebe o ntšetsoa ka ntle kantle.