Metallurgie
Metallurgie ninganda zingenzi zijyanye nubukungu bwigihugu n’imibereho yabaturage, hamwe nogukomeza kuzamura ikoranabuhanga ryibyuma mubushinwa, ibisabwa byumutekano no kwizerwa bya sisitemu yo gutanga amashanyarazi no gukwirakwiza nabyo biratera imbere cyane, kubaka ikirango cya Delixi imyaka 30, umwimerere umugambi ntuhinduka, burigihe ushyire mubikorwa nkuwatanze igisubizo cyiza mubikorwa byinganda, Urugero, imicungire yingufu zububiko zishingiye kuri enterineti yibintu zimenyekanisha kugabura muburyo bwo guhuza, umutekano wurusobe, ibikorwa byukuri byizewe, kandi imikorere yubushakashatsi bwubwenge, itezimbere cyane gukomeza no kwizerwa kumashanyarazi. Amashanyarazi ya Saiwei ntabwo atanga ibicuruzwa byikora gusa, ahubwo ni nogutanga igisubizo kugirango uhuze ibyifuzo bitandukanye byabakiriya, bikoreshwa cyane mubucukuzi bwibyuma, imicungire yumurima wibikoresho, gucuruza kokiya, gutanura itanura ryicyuma mugukora ibyuma, kuzunguruka ibyuma nibindi bijyanye na kurinda umutekano w'amashanyarazi.