Umusaruro wicyuma cyuma kitagira umuyonga bisaba inzira igoye, murigikorwa kubera impamvu zimwe zidashobora guhangana nibibazo byubuziranenge bwibicuruzwa.

1.Icyerekezo cyo gusudira gifite inenge, nubwo iki kibazo gishobora gukemurwa no gusya intoki-mashini, Ariko gusya kw'ibimenyetso bizakomeza kuganisha ku isura itaringaniye, bigira ingaruka ku isura.Niba ukoresheje uburyo bwo kuvura hejuru ya pasivisiyo yo kuvura, nabyo bizaganisha ku buso butaringaniye, bigira ingaruka ku isura.

2.Ibishushanyo bitandukanye mugutunganya biragoye kuvanaho, gukoresha mugihe gikwiye muri gahunda yo kuvura pasivi ya pasivisiyo muri rusange nabyo biragoye cyane kuvanaho burundu, cyane cyane gusudira gusudira hamwe no gufatira ibyuma byanduye bitagaragara.

3.Ubushobozi buke bwo gutoranya bwateye kubura igipimo cya oxyde ya Black, bigira ingaruka kumiterere, biragoye kuyikuramo.

4.Ibintu byabantu biterwa no gushushanya, nko kuzamura, gutwara ibinyabiziga, inyundo, nibindi biterwa no gukomeretsa bikomeye, biragoye kubikuraho, nubwo nyuma yo kuvurwa nabyo byoroshye cyane kuba igice kinini cyangirika.Ibi nibibazo bimwe na bimwe bikunze kugaragara mubikorwa, mubikorwa bigomba gufata inzira zose kugirango wirinde ko ibyo bibazo bibaho, ibyangiritse bikabije.