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I-PVC ye-PVC ye-PVC yoNyango ye-PVC yoNyango yeTeb
Ukutya ukutya sisixhobo sezonyango esisetyenziselwa ukubonelela ngesondlo kwizigulana ezingafumani mlilo ngomlomo, azikwazi ukuginya ngokukhuselekileyo, okanye zifuna ukongezwa kwesongezelelo. Imeko yokuBondliwa yi-tube yokutyisa ibizwa ngokuba yi-gavage, ukondla kwabantu okanye ukondla ityhubhu.