Amaketanga e-roller ayingxenye ebalulekile yemishini nemishini eminingi, okuhlanganisa amabhayisikili, izithuthuthu, ama-conveyors, nokunye.Nokho, ngezinye izikhathi silangazelela ubuhlakani obuncane nokuhluka emhlabeni obuswa ukusebenza.Le bhulogi ihlose ukukuqondisa ngenqubo yokwenza ukuthi kube...
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