Umupira Wibiryo
Ikozwe mubikoresho bya PU kandi ifite impumuro nziza, yoroshye cyane kandi ikozwe mubintu bitinda-bizamuka.
Irashobora gutoza imyumvire, gukangura ibitekerezo no gukurura amatsiko bitanga ibintu bifatika kugirango iterambere ryumubiri nubwenge byabana. Irashobora guha abana imyidagaduro, n'imyidagaduro hamwe nabana, irashobora guteza imbere amarangamutima. Ifasha gushishikariza kwiga, bijyanye nibisabwa byubuzima, ibara ridafite uburozi, byoroshye koza, kwanduza, bijyanye nibisabwa numutekano.