isitakhi se-rack kanye ne-seqhenxe
I-rack nakanye i-pinoniyona iyisistimu yemifuneko yobuchwepheshe esikhundla ukuguqula imoto yemfokolo ngemoto yemijindu, ibonakala ngogogqoko olulayilo (i-pinoniyona) okuxhumiwe nebari lemfokolo elilunge (i-rack). Le mithombo eqinile iyahlula umqo wemisebenzi emininzi yesikhathi esisha, kusuka kwiindlela zokulawula emibini yezinhlopane kumaqhina ephathwayo. I-rack inemigqoko emilungu ethekile kunesayithi esibindi, ngelixa i-pinoniyona iyogogqoko olulayilo oqoqwa kule migqoko. Xa i-pinoniyona iyaguqula, iyasalela i-rack kwindlela yemijindu, ukwenza ukuguqula okulungile kanye nokugcinelwe. Isistimu yokudizaina ikuvumela ukuguqula kwezimali ngokweqile kanye nokufaka kweqile, okwenza yona ikhetho elungileyo kuzo zindlela ezidinga ukulawula okulungile kanye nokusebenza kwegesi. Kuzo zindlela zokulawula izinhlopane, isistimu yokulawula i-rack nakanye i-pinoniyona iyaguqula imoto yemfokolo yendlela yekhathini ngendlela yokuguqula yemigqoko ye-tie rods, okuqala ukuguqula amawhele ukulawula. Ngaphandle kwezindlela zokulawula izinhlopane, izistimu zesi-rack nakanye i-pinoniyona zibaluleke kakhulu kuzo zindlela eziningi zokuphathwa, kuhlanganise nokuthwala kwezinhlelo, izinhlelo zokuzivocavisa, nezinhlelo zokwenza okulungile. Ukuqonda kwezistimu, ubuncane bawo, nezintleke zazo zenza yona ikhetho elungileyo kwaqaphela ngokwezinye izigaba zemisebenzi yobuchwepheshe ngeminyaka emitsha, bese iyaguqula ngokwezinye izindlela zokwenza nezinhlelo zokudla.