Chigadzirwa chinopa chiedza chekubatsira pakona yemugwagwa pedyo nepamberi pemotokari kana kudivi kana kumashure kwemotokari. Kana mamiriro ekuvhenekera kwemamiriro emugwagwa asina kukwana, chiedza chekona chinotora chimwe chikamu mukubatsira chiedza uye chinopa chivimbiso chekuchengetedza kutyaira. Rudzi urwu rwemarambi kunyanya kumamiriro emugwagwa mamiriro ekuvhenekesa haana kukwana nzvimbo, tamba imwe basa mukubatsira mwenje.
Hunhu uye mashandiro emarambi emotokari nemarambi ane kukosha kwakakosha pakuchengetedzwa kwemotokari, nyika yedu yakagadzira zviyero zvenyika zvichienderana nezviyero zveEuropean ECE muna 1984, uye kutariswa kwemwenje kugovera kuita kwemwenje ndeimwe yeakanyanya kukosha pakati pavo.