Iki kibazo kirasobanutse neza kandi cyerekana ibintu byingenzi: nyuma yo gufungura igifuniko cyumuryango, habaho guhangana cyane mugihe intoki zisunika Y-axis.
Nibintu bisanzwe byamakosa, kandi intandaro yabyo ni ibibazo bya mashini hafi 100%. Mubihe bisanzwe, nyuma yo guhagarika moteri ihuza, Y-axis igomba kuba yoroshye gusunika intoki.






