Uruganda rwohejuru rwo mu Bushinwa rukora ibinyugunyugu: gukurikirana indashyikirwa, guhanga udushya
Hamwe niterambere ryihuse ryimikorere yinganda nubwenge, indabyo zinyugunyugu zikoreshwa cyane muri peteroli, imiti, metallurgie, ingufu zamashanyarazi nizindi nzego. Nkuruganda rukora ibinyugunyugu mubushinwa, gukurikirana indashyikirwa a ...
reba ibisobanuro birambuye