Zamakono
Makamaka ntchito malasha otsika phulusa ndi low-sulfure bituminous malasha.Advanced akupera, kukonzanso briquetting luso.Ndi mphamvu zapamwamba komanso ntchito yabwino kwambiri.
Makhalidwe
Imagwiritsa ntchito njira yolimba ya tsinde kuti iyambitse.Lili ndi malo enieni komanso kukula kokwanira kwa pore.Kotero kuti imatha kuyamwa mamolekyu amtundu ndi mamolekyu otulutsa fungo mu yankho