Inda ni umurongo wakozwe kuva murwego rwa subucosal amara mato yintama.Ubu bwoko bwurudodo bukozwe mugukuramo fibre mumara yintama.Nyuma yo kuvura imiti, ihindurwamo umugozi, hanyuma insinga nyinshi zizunguruka hamwe.Hariho ubwoko bubiri bwibisanzwe na chrome, bikoreshwa cyane muguhuza no kudoda uruhu.
Igihe cyo gukuramo amara gisanzwe ni kigufi, hafi iminsi 4 ~ 5, kandi igihe cyo gukuramo chrome ni kirekire, iminsi 14 ~ 21.
Igihe cyo kohereza: Nzeri-05-2018