● Kuchita bwino: Kusungunula mwamsanga zitsulo zolemera kwambiri pobalalika
kondomu kachitidwe Mlingo wa coke ndi sludge, 10-60 mphindi
● Chitetezo: palibe dzimbiri pa zidindo ndi zida zitsulo pamwamba
● Yabwino: itha kugwiritsidwa ntchito poyeretsa makina onse popanda kuphatikizira, ndipo imatha kugwiritsidwa ntchito poyeretsa.
● Kuchepetsa mtengo: Limbikitsani kuyeretsa bwino ndikuwonjezera moyo wautumiki wa mafuta atsopano