Ibikoresho byumutima byoroheje.Amazi ya Rower akoresha imbaraga zamazi kugirango abimenyereza imyitozo yoroshye, ndetse barwanye.Kuboneka mumabara abiri yuburyo buhuye nibigaragara, imiterere irahagaze mugihe ushyigikiye imikorere yikubye, ifasha kubika umwanya wo kubika no kubungabunga byoroshye, kugumisha agace ka karidiya yawe isukuye kandi ifite isuku.