Indorerwamo zizuba zikozwe mubikoresho bya tekiniki yubuhanga buhanitse, bishimangira imiterere nuburyo butatu bwo kugaragara, kandi bikazana imiterere myiza nimiterere yihariye yabagore.Ikadiri yicyuma ikozwe muri nikel ndende, irangwa nubworoherane bwiza, gukomera gukomeye, gusudira gukomeye, kuramba neza, hamwe numurongo muto, bikwiranye nicyerekezo.
Indorerwamo zizuba zakozwe neza witonze ubikuye ku mutima, kandi binyuze mubuhanga bwubukorikori bwihariye bwimitako, iki cyegeranyo cyimyenda myiza yijisho cyahawe uburyo bwiza.