Ibisobanuro bigufi:

Iyi mashini irakwiriye gukata icyayi cyumukara nicyayi kimenetse.Amababi mashya anyura mu nsoro zumye cyangwa zibanza.Amababi yicyayi yinjira mumyanya ya mashini abinyujije mu cyuma kizunguruka, kandi amababi yicyayi ku bufatanye bwa moteri na kabari ya rukuta.Byakorewe kuzunguruka no kugoreka, hanyuma bigacibwa na disiki ikata, hanyuma bigakorerwa imitekerereze ikwiye ya plaque yimbavu kugirango isohore umwobo wimashini.