Ibiranga:
1. Kuvanga icyuma gikozwe hamwe nicyuma kivanze, cyongerera cyane ubuzima bwa serivisi, kandi kigahindura igishushanyo mbonera kandi gishobora gutandukana, cyoroshya cyane gukoresha abakiriya.
2. Kugabanya-guhuza ibice bibiri-bisohoka bigabanya kongera umuriro, kandi ibyuma byegeranye ntibishobora kugongana.
3. Ikoranabuhanga ridasanzwe ryo gufunga rikoreshwa ku cyambu gisohoka, bityo gusohora biroroshye kandi ntibisohoka.