Kubaka no gukoresha ubwiherero bigomba kugabanya kwinjiza mu nzu, kugaragara no kugumana ibice, ibyo ntabwo ari bike cyangwa bike byinjizwa mu bice, nta kubaho cyangwa kugabanuka kwinshi, nta kubika cyangwa kugumana uduce duto, n'ibindi. Ukurikije ibisabwa nibicuruzwa umusaruro, ...
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