Ibiranga:
Umurongo wambere w amenyo magufi akoreshwa mugutunganya kwambere, naho umurongo wa kabiri w amenyo yakozwe neza kugirango arangize urudodo.Igishushanyo cyibumoso cyibikoresho byo gukata bisaba kuzunguruka kugirango uhindure gukata ibumoso kugirango ugabanye imbaraga zo gukata no kongera imbaraga zo gukata igikoresho.Birakwiye gutunganya ibikoresho bikomeye cyane nkicyuma kizimye ibyuma hejuru ya 48HRC.