Ibicuruzwa biranga ibicuruzwa
(1) Ibipimo birenga 30 byo gupima
(2) Suzuma niba ibara risimbuka itara, kandi ritanga hafi 40 yo gusuzuma urumuri
(3) Harimo uburyo bwo gupima sCI
(4) Harimo UV ku gupima ibara rya fluorescent
