Imashini yo gusya ya GMM-Y ni ubwoko bwimashini yikaraga yimashini isya hamwe na kure ya kure aho guhana ibishushanyo bishaje. Kugera ku cyuma cyuma ukoresheje gukonjesha ukonje utarimo umwanda kandi neza bishobora kugera kuri Ra3.2-6.3 .. Imashini yoroshye kugenda no kugenda hamwe nisahani.
