Byakoreshejwe cyane muguhura numuhanda, gari ya moshi subgrade, umuhanda wikibuga cyindege, urugomero, kubaka urufatiro nindi mishinga yibanze yubwubatsi.
Moteri ya hydraulic itwarwa ninziga ebyiri, hamwe nubushobozi bukomeye bwo kuzamuka, kandi burashobora gukoreshwa mubidukikije bitandukanye. Iyobowe niryo riyobora kuyobora, biroroshye kandi byoroshye gukora.
5. Imbere n'inyuma ibyuma bihinduka, bifite ireme ridasanzwe.
