Ubushinwa bwihuta cyane hejuru yinzu yimashini ikora imashini ikora

Iyi ni Ubushinwa bwihuta cyane imashini isakaye hejuru yinzu, umuvuduko ushobora kugera kuri 30m kumunota, kandi ufite ubusobanuro buhanitse. Gukata amashanyarazi no gukata hydraulic birahari.