1. Mbere yo gukoresha guhuza isoko hamwe nimbaraga zimashini zishingiye ku musenyi, hanyuma ufungure imbaraga ku gasanduku k'amashanyarazi. Dukurikije ko ari ngombwa guhindura igitutu cyumwuka ufunzwe unyuze kumurongo wa SPray hagati ya 0.4 ~ 0.6mpa. Hitamo ibikwiye I ...