1. Igikorwa kimwe -kigikorwa, cyizewe kandi cyizewe, urwego rwo hejuru rwubwenge, bikwiranye na Lifator yimbuto zose zamavuta usibye imbuto zo gufata kungufu.
2. Imbuto yamavuta ihita izamurwa, hamwe nihuta.Iyo imashini yamavuta yuzuye, izahita ihagarika ibikoresho byo guterura, kandi izahita itangira mugihe imbuto yamavuta idahagije.
3. Iyo nta bikoresho bizamurwa mugihe cyo kuzamuka, impuruza ya buzzer izahita itangwa, byerekana ko amavuta yuzuye.