1.SHAPE Kugaragara nkicyuma, kurupapuro rudasanzwe, rukomeye kandi rucitse, uruhande rumwe rukayangana, uruhande rumwe rukomeye, ifeza-yera kugeza umukara, rutunganijwe mu ifu ni ifeza-imvi;byoroshye okiside mu kirere, iyo ihuye na acide ya dilute izashonga igasimbuza hydrogen, hejuru gato ya ...
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