Igice cyerekanaikanzu yerekanaikorwa nubuhanga buhanitse bwo kwibanda no nyuma yo gutunganya ukoresheje micro-diyama ya kirisiti ya kirisiti kugirango itange imbaraga zo kugabanuka no kwerekana indangagaciro ndende yerekana ibirahuri amasaro retro-yerekana.Irashobora kwerekana urumuri rurerure rugaruka ahantu hacanye, kandi rukagira imikorere myiza ya retroreflective optique ntakibazo kumanywa cyangwa nijoro.Cyane cyane nijoro, irashobora kwerekana neza cyane nko kumanywa.Imyenda yumutekano ikozwe muribi bikoresho bigaragara cyane birashobora kugaragara byoroshye nabashoferi nijoro utitaye ko uwambaye ari ahantu kure cyangwa munsi yumucyo cyangwa urumuri rutatanye.