Kupanga zida zamakina sikungasiyanitsidwe ndi zosowa zamakampani opanga mtsogolo.Mwachitsanzo, chitukuko cha mafakitale monga mphamvu, chakudya, uinjiniya wamankhwala, mauthenga, magalimoto ndi makina aulimi zidzakhudza kwambiri chitukuko ...
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