Robert Shenk, FLSmidth, atanga incamake yukuntu ibihingwa bya sima 'icyatsi' bishobora kumera mugihe cya vuba.Imyaka icumi uhereye none, inganda za sima zizaba zisa nkizitandukanye nubu.Mugihe ibintu by’imihindagurikire y’ikirere bikomeje kwibasira urugo, igitutu cy’imibereho ku byuka bihumanya ikirere wi ...
Soma byinshi