Kugwiritsa ntchito makina ogubuduza kusintha kulikonse kuyenera kuyang'ana, kuyeretsa chida cha makina, kuchita ntchito yabwino yokonza makina ogubuduza tsiku lililonse kuti akwaniritse bwino, koyera, kudzoza, chitetezo. (I) Sungani mawonekedwe a chida cha makina mwaukhondo, choyera, chopanda chovala chachikasu, mafuta, dzimbiri ndi ...
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