Agasanduku k'amaso k'uruhu rwa PU gakozwe mu ruhu gafite ibara ry'indorerwamo z'izuba gakozwe mu ruhu ...fite ibara ry'indorerwamo z'izuba.

Iyi ni isakoshi y'indorerwamo z'uruhu rwo hejuru ikozwe mu ruhu, kandi mu gihe cyo gushushanya ingano y'isakoshi y'indorerwamo, umuhanga mu by'ibishushanyo yashakaga ko iba ivanze neza n'imideli n'imikorere. Kubwibyo, dukoresha uruhu rwo hejuru rwa PU kugira ngo tuyikore, ifite imiterere myiza kandi igaragara neza, imiterere yoroshye n'imirongo yoroshye, igaragaza imiterere yihariye y'uruhu rwo hejuru. Imiterere ya zipu ituma igira imiterere myiza yo kurwanya ubujura no kuramba. Zipu yoroshye kandi yihuta gufungura no gufunga, bityo ushobora gukuramo indorerwamo vuba kugira ngo uzambare, ibyo bikongera cyane imikorere myiza, kandi icyarimwe, twakoze agatambaro koroshye ko gutwara.