Ukadaulo wanjira zinayi ndiukadaulo wosinthira muzinthu zosungira katundu.Chifukwa cha kusinthika kwake kwamphamvu pamalopo, shuttle yanjira zinayi imatha kugwira ntchito mumiyeso isanu ndi umodzi: kutsogolo, kumbuyo, kumanzere, kumanja, mmwamba, ndi pansi.Kuphatikiza ndi masanjidwe a elevator ndi conveyor system, ...
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