Umzi-mveliso wethu unabasebenzi abangaphezu kwama-600 abanezakhono eziphezulu. Ibekwe kwenye yezona ndawo zikhulu zemveliso kwikharavani yaseTshayina kunye neshishini letreyila, sinamandla okuvelisa kunye nokuhambisa iimoto ezingaphezu kwe-1,000 ngonyaka.
