Umuringa bivuga insinga zikozwe mu muringa, insinga z'icyuma zizingiye ku cyuma cy'umuringa cy'umuyoboro uhuza.Igikorwa cyo kubyaza umusaruro: gishingiye ku muringa uzingiye ku nsinga z'icyuma mu buryo butandukanye, ahanini ugabanijwemo amashanyarazi, kwambika, gushiramo / gushyushya no gushiramo amashanyarazi ...
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