Dutezimbere ibishushanyo dukurikije ibyifuzo byabakiriya, dushiraho uburyo bwawe, udushya twapakiye kandi dutandukanye kandi bituma ibicuruzwa byawe bigaragara mubindi bicuruzwa.
Ntabwo ari uburozi, irwanya ikirere, irwanya imiti, itajegajega, iyinjira ry’amazi make, irwanya aside idakomeye hamwe n’umuti ukomoka ku binyabuzima. Gukorera mu mucyo mwinshi, birashobora guhagarika urumuri rwa ultraviolet, urumuri rwiza.