Kumenya ko ushishikajwe no
gutondekanya ergonomic , twashyize ku rutonde kuri ingingo zisa kurubuga kugirango tworohereze. Nkumukora umwuga, twizera ko aya makuru ashobora kugufasha. Niba ushishikajwe no kwiga byinshi kubicuruzwa, nyamuneka twandikire.