1. Okwangoku, amazwe aphambili emveliso kwiimarike yiChina, iJamani, iBrazil kunye neIndiya.Ngenxa yemeko yobhubhani, iTshayina lilizwe elineengenelo zokuthelekisa malunga nokuthunyelwa kunye namaxabiso 2, iintlobo zeembiza zentsimbi: i-oyile yentsimbi etyhidiweyo, i-enamel yentsimbi, intsimbi egayiweyo engasimi...
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