Ibishishwa muri rusange bifite ikibazo cyo gusya, hanyuma ibishishwa byiza byambarwa igihe kinini mubyukuri, hazabaho ibibazo runaka byo gusya, kuki ibishishwa byibi bikoresho byoroshye gusya?
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3. Kwambara hamwe nibintu bitandukanye (byoroshye, bikabije) guhuza, bizatanga kandi impamyabumenyi zitandukanye za pilling phenomenon, amaboko, umufuka nibindi bice byo guterana amagambo nabyo byoroshye gusya.
4. Uhereye kubikorwa: niba impinduramatwara irekuye, ikirundo ni kizengurutse kandi kibyibushye, umurongo wuzuye, ariko byoroshye gusya, ibinyuranye ni uguhinduranya birakomeye, bizabura uburyo bwikirundo, nkumugozi.