Abantu benshi babonye insinga zometseho mbere, ariko ntibazi uko yakozwe.Mubyukuri, mugihe utanga insinga zometseho, mubisanzwe bisaba inzira igoye kandi yuzuye kugirango urangize ibicuruzwa, bikubiyemo cyane cyane intambwe yo kwishyura, annealing, gushushanya, guteka, gukonjesha, n umuyaga ...
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