Ibiranga umwihariko winyuma ushobora guhindurwa yemerera abakoresha guhitamo urwego rwimikorere ijyanye neza nibyifuzo byabo bwite muguhindura imyanya yintoki itambitse mubitugu. Iyi mikorere idasanzwe, ihujwe no guhuriza hamwe ukuboko gukomatanya kurwego rwa dogere 20 hejuru no imbere yumukoresha hamwe nuburyo bubiri, bituma habaho imyitozo yuzuye yimyitozo nta ngaruka.
Intebe irashobora guhinduka mugihe wicaye cyangwa uhagaze, kandi ifashwa numurongo wo murwego rwohejuru utambitse hamwe na silinderi kugirango uhindurwe neza, uduce duto duto.
Intwaro yo kwikuramo uruhande rumwe ihuza dogere 20 kuri buri ruhande hejuru no imbere yigitugu, bigatuma urwego rwuzuye rutagira ingaruka.
Inyuma idasanzwe ishobora guhinduka yemerera uyikoresha guhindura imyanya ya horizontal nigitugu.