Pofuna kuonetsetsa kuti makina owotcherera amtundu wapakatikati, njira yoziziritsira ma elekitirodi iyenera kukhazikitsidwa moyenera, madzi ozizira oyenda ndi okwanira, ndipo kutuluka kwamadzi kumadalira zinthu za elekitirodi, kukula, chitsulo choyambira ndi zinthu, makulidwe ndi zizindikiro zowotcherera...
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