Ubusanzwe imisumari iraswa nimbunda yimisumari hanyuma ikajugunywa mumisumari yinyubako.Mubisanzwe bigizwe numusumari ufite impeta ya gare cyangwa plastike igumana umukufi.Imikorere yibikoresho byimpeta hamwe na plastike ya plastike ni ugukosora umubiri wumusumari muri barri yimbunda yimisumari, kugirango wirinde gutandukana kuruhande iyo urasa.Imiterere y'umusumari isa n'iy'umusumari wa sima, ariko iraswa mu mbunda.Ugereranije, gufunga imisumari nibyiza kandi byubukungu kuruta kubaka intoki.Igihe kimwe, biroroshye kubaka kuruta izindi nzara.Imisumari ikoreshwa cyane mubwubatsi bwubwubatsi bwubwubatsi nubwubatsi bwubwubatsi, nko gufatanya no gukora ibiti byububiko, nibindi. Imikorere yimisumari nukwirukana imisumari muri matrix nka beto cyangwa icyuma kugirango uhuze.
