Byaba bisanzwe bikoreshwa mubuzima, ibyuma bifata ibyuma bikonjesha kure, kugenzura kure ya TV cyangwa ibikinisho byabana, clavier yimbeba idafite umugozi, isaha ya elegitoroniki ya quartz, radio ntishobora gutandukana na bateri.Iyo tujya mububiko kugura bateri, mubisanzwe tubaza niba twe ...
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