Nigute Twakwirinda Ingese Zicyuma Cyimyanya Yumutwe?
Icyuma kidafite ibyuma bibiri gifite imitwe ni ubwoko bwibyuma bidafite ingese, ukurikije ibikoresho, imikoreshereze, urwego rwibintu bitandukanye, ibipimo bya tekinike nibisobanuro nabyo biratandukanye. Ibyuma bitagira umuyonga imitwe ibiri yitwa ibyuma bitagira umuyonga kabiri-hea ...
reba ibisobanuro birambuye