1. itegeko ry'igihugu rirengera ibidukikije.
2. Ibikoresho byo gutwika ifu bifite uburyo bwiza bwo gukoresha ibikoresho bibisi. Ifu ikorwa nibirango bimwe na bimwe bitanga ifu irashobora gukoreshwa kandi ikongera gukoreshwa, kandi imikoreshereze yayo irashobora no kugera kuri 90%.
3. Nyuma yo kubanza - kuvura ikintu kigomba gutwikirwa, firime yo gutwikamo ubunini buhagije irashobora kuboneka mubwubatsi bumwe nta primer. Biroroshye kumenya imikorere yikora, umusaruro mwinshi, hamwe nigiciro gishobora kugenzurwa.
. Kubika ifu kubika no gutwara bifite umutekano kandi byoroshye.
