Conveyor of elevator

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  Vertical Conveyor

  Lub conveyor siv tau rau ntsug nqa cov khoom siv granule xws li pob kws, jerry, khoom noj txom ncauj, khoom qab zib, txiv ntseej, yas thiab tshuaj, khoom siv me me, zaub, txiv hmab txiv ntoo thiab

  Ntxiv rau Kev Nug