Ivalve sisixhobo okanye into yendalo elawula, elawula okanye elawula ukuhamba kolwelo (iirhasi, ulwelo, izinto eziqinileyo ezinolwelo, okanye udaka oluludaka) ngokuvula, ukuvala, okanye ukuthintela iipaseji ezahlukeneyo. Iivalvu zifakelwa ngokobuchwephesha, kodwa zidla ngokuxoxwa njengodidi olwahlukileyo. Kwi...
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