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Imirimo yizewe, ikora neza

Yubatswe ku masahani meza yicyuma, iyi mbuga ya tunnel yamenetse kugirango ihangane nibibazo bikaze kandi birebire igihe kirekire. Imiterere yintoki ni ubuhanga kandi bwumvikana, kandi irashobora gukora neza ndetse no mumwanya muto wa tunnel, hamwe na maneuvelied itagereranywa no guhinduka.