Ndi chitukuko cha anthu, ntchito m'mafakitale osiyanasiyana a makina ndi zipangizo ntchito amafuna kukhalanso apamwamba ndi apamwamba, Masiku ano monga conveyor wotchuka, flexible unyolo conveyor ali ndi chiyembekezo chabwino msika, koma chida chilichonse ali mankhwala mkombero moyo, Ayi...
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