Njira yogwiritsira ntchito pochotsa madzi ochulukirapo

① Kudzera mu pampu ya matope, matope ayenera kutumizidwa ku doko lotumizira matope

② Madzi otayirira ayenera kunyamulidwa kupita ku bokosi lothira madzi otayirira atasintha kayendedwe ka madzi pogwiritsa ntchito thanki yoyezera madzi.

③ Pambuyo posakaniza kuti apange maluwa akuluakulu a alum, adzatumizidwa ku thupi la screw

④ Maluwa a alum amachita kuchuluka kwa mphamvu yokoka pamene akusunthira ku gawo losowa madzi m'thupi.

⑤ Malo pakati pa mbale zomangira ndi zosuntha amakhala ochepa, ndipo amachotsa madzi mwa kusintha mbale yotulukira, kenako n’kutulutsa keke yamatope.