Nigute ushobora gutandukanya ubwiza bwa swateri
Ubwa mbere, impumuro: imyenda iboshywe cyane, kugirango babike ikiguzi, abayikora bamwe bakoresha ibikoresho bito kugirango bakore imyenda iboshye, nka fibre chimique, fibre chimique yangiza umubiri wumuntu kandi ikomeretsa uruhu, cyane cyane abagore bafite uruhu rworoshye, byoroshye ...
reba ibisobanuro birambuye