YZ umugozi w'umugozi w'umugozi, nk'ubwoko busanzwe bw'umugozi n'umugozi, ufise ivyiza bikurikira
(1) Uguhinduranya: Igipande c’inyuma c’imigozi ya YZ - y’umubiri ikozwe mu bikoresho vy’imipira, ivyo bikaba bituma umuntu ashobora guhinduranya neza, akafasha gupfukama no kwinyiganza no gushitsa ibisabwa .
Ivyiyumviro aho ugupfukama n’ukwinyiganza kenshi.
(2) Uguhangana n’ugumbara: Igipfukisho c’imipira gishobora kunanira neza kwambara no kwagura ubuzima bw’umugozi, cane cane mu bidukikije aho bikenewe ko umuntu ashobora kwinyiganza no guhuha.
(3) Ubushobozi bw’ibisebe: Ibikoresho vy’ivyuma bifise ubushobozi bwo guhangana n’ugusenyuka kandi birashobora kunanira gusenyuka kw’aside, alkalis, umunyu n’ibindi bintu vy’imiti, bikaba bituma bibereye ibidukikije bikomeye vy’imiti.
