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Shungura ibintu byamavuta ya hydraulic
Tuzahitamo gushungura dukurikije ibyo abakiriya bakeneye mubunini butandukanye kuva mubunini busanzwe kugeza kubunini bwihariye.
Gupakira & Kohereza
1.Ikarito imbere, ibiti hanze, gupakira kutabogamye
2.Nk'ibyo usabwa
3.Ku byerekezo mpuzamahanga, ikirere ninyanja
4.Icyambu cyoherejwe: Shanghai cyangwa ibindi byambu byose by'Ubushinwa