Sisitemu yanyuma yo kurera abana nshaka gukemura ni ibikoresho byo kurera. Kugira ngo bisobanuke neza, aha ni ahantu hafasha gutanga ibikenewe kubabyeyi barera, hejuru no hejuru yibyo DCS izafasha gutwikira. Urashobora kwibaza uti: "none se kuki aba ndetse ...
