Byakoreshejwe imashini yumwimerere ya GBS yakozwe mubutaliyani byinjijwe mubushinwa. Umwaka wo gukora ni hafi ya 2010. Ingano ni 250 / 1000 kandi itwarwa numukandara wigihe.
Urashobora kubona ko izo ecran ku ruganda rwa roller zikiriho, ni beacuse baracyakora mu gihingwa cyifu. Nyirubwite arashaka kubasimbuza mahcine nshya kandi agiye kuyisenya bitarenze ukwezi. Kubwibyo, igihe cyo gutanga izo mashini ni ukwezi kumwe.