Ibipimo bya tekiniki：
Gukuramo aluminiyumu iraboneka mubunini bwinshi, ubwoko nibikoresho mubisabwa byinshi.Icyiciro cya gatatu - intambwe yo gutera intambwe ituma ibyuma bifata byinshi bikora vuba.Iyi mirongo ifunguye isa na trubari gakondo mugushiraho, ariko mandel isigara imbere muri rivet kugirango yongere imbaraga .
