M'zaka zaposachedwa, zomwe zikuchitika m'magalimoto ndi mafakitale ena zakulitsa kufunikira kwa zida zatsopano zamaginito.Zotsatira zake, mkatikati mwa zaka za m'ma 1990 zida zoyamba zomwe zidapangidwa kuchokerazofewa maginito kompositianabadwa.Ndipo chizolowezi chogwiritsa ntchito ma composites ofewa a maginito (SMCs) chikupitilira kukula.

Zigawo zoyamba za SMC zinali zoyatsira moto, zomwe zimagwiritsidwa ntchito kwambiri pamagalimoto ambiri a GM.Anali ozungulira, ndipo palibe tepi yotetezera yomwe inagwiritsidwa ntchito kuteteza mafunde oyambirira ku koyilo.Posachedwa mpaka lero, ukadaulo wazitsulo -- ndi SMC -- wafika patali.Pitilizani kuwerenga kuti muphunzire zoyambira zamaginito zofewa komanso zomwe zimawapangitsa kukhala ofunika kwambiri pamagawo amagetsi m'mafakitale angapo.