Sisitemu ishingiye kuri aluminium ya aluminium imashini ipakiro hamwe na mashini yikariso yikora, yongeraho ibicuruzwa byinshi, kandi bikaba byiza gupakira ibicuruzwa, kandi bikaba byiza gupakira imiti, ibiryo, ibicuruzwa byubuvuzi nibindi inganda .
Ukurikije uburambe bwimyaka 30 muburyo bwo gupakira imashini ipakira, Isosiyete yoroshye yatsinzwe na balcony yihuta ya aluminiyumu, kandi rifite ibiranga kwirinda gupakurura imashini ipamba. Mugabanye uburemere bw'umurimo w'abakozi, kandi usobanukirwe gukemura isuku ry'imashini gakondo no kubungabunga ntabwo byoroshye, bisimbuza ibibazo by'ipatanti ya Leta . iyi moderi ya mbere ku isi .