Imashini yogeza ibiti nibibabi ikwiranye nimboga zidafite umwuma, amababi yicyayi, ibiryo byumye kuvanaho umubiri wamahanga, ukoresheje guhitamo imbaraga zidasanzwe, gutanga ingano, kugenzura umuyaga nubundi buryo.Irashobora gukuraho umubiri uremereye mumahanga mubicuruzwa byarangiye, nka: ibuye, umucanga, ibyuma;Umubiri woroshye wamahanga, nka: impapuro, umusatsi, ibiti, plastike, ipamba.