304 306 chitsulo chosapanga dzimbiri chimakhala ndi kukana kwa okosijeni wabwino, kukana kwa dzimbiri, kumatha kupitiliza kugwira ntchito kutentha kwambiri, kumakhala ndi kukana kwabwino kwa kutentha kwambiri.Amagwiritsidwa ntchito makamaka mu mafuta, zamagetsi, mankhwala, mankhwala, nsalu, chakudya, makina, zomangamanga, mphamvu za nyukiliya, zakuthambo, asilikali ndi mafakitale ena.