1.Irangi ryiza, ukoresheje ubushyuhe bwinshi, aside ikomeye, fosifatiya, putty, gutera hamwe nibindi birwanya kurwanya ingese, kugirango buri gicuruzwa gishobora kurwanya neza isuri yimvura.2.Imoteri iramba, igishushanyo cya 180 ° kitagira impanuka, imbaraga nke gukoresha, bikabije.3.Umutekano urwanya ubujura, gusa hamwe na ...
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