Bumper ili ndi chitetezo chachitetezo, kukongoletsa komanso kukonza mawonekedwe a aerodynamic a galimoto ndi zolinga zina, kuchokera ku chitetezo, galimoto imatha kukhala gawo loteteza ngozi za kugundana kwa liwiro lotsika, kuteteza thupi la galimoto yakutsogolo ndi yakumbuyo, ndipo pa ngozi ndi oyenda pansi imathanso kukhala ndi gawo linalake poteteza oyenda pansi.
Chotsani bumper ndikupeza kuti mbali yakumanzere ya bumper yagundidwa mu groove, ndiko kuti, malo omwe bumper yathyoka ayenera kusinthidwa ndi bumper yatsopano bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper bumper, ngati ngozi yachitika, imachepetsa kuwonongeka kwa thunthu, chitseko chakumbuyo, kuwala kwa kumbuyo ndi mbali zina za mzere wa chrome pansi pa bumper, yawonongeka. Pambuyo pochotsedwa kuti isinthidwe, mfuti yowotcherera ya pulasitiki imagwiritsidwa ntchito kutentha ndi kuwotcherera ming'alu kumbuyo, ndipo ndodo yowotcherera ya pulasitiki imatenthedwa pamene ikuyenda m'ming'alu. Sander yamagetsi imagwiritsidwa ntchito kupukuta cholumikizira chokwezedwa cha solder ndikusalala pamwamba pa utoto wowonongeka ndi gudumu lopukusira lamagetsi. Pambuyo pa nthawi yoyamba, putty imauma kwathunthu ndi mpweya, ndipo mchenga wa makulidwe osiyanasiyana umagwiritsidwa ntchito kupukuta ndikuwumitsa, kenako chingwe chopangira chrome pa bumper chimayikidwa.
