1.Ibikoresho byoroshye: ibi bitambaro byamabara menshi arambuye bikozwe mubitambaro byiza, byoroheje kandi bihumeka, nta kuzimangana kandi nta balling-up, byoroshye kandi byoroshye kwambara;Uwitekagupfunyika umutwebiroroshye cyane, ubunini bumwe buhuye nabagore benshi, kandi ntibizatuma umutwe wawe wunvikana