Ama-bumpers anemisebenzi yokuvikelwa kokuphepha, umhlobiso wemoto, kanye nokwenza ngcono kwezimpawu ze-aerodynamic zemoto. Kusuka endaweni yokuphepha yokubuka, lapho kwenzeka ingozi yokushayisana okuphansi, imoto ingadlala indima ebukhali ukuvikela imizimba yemoto yangaphambili nangemuva; Ingadlala indima ethile ekuvikeleni abahamba ngezinyawo uma kwenzeka ingozi yabahamba ngezinyawo. Ngokubona kokubukeka, kuyinto ehlobisayo futhi sekuyingxenye ebalulekile yokuhlobisa ukubukeka kwemoto; Ngasikhathi sinye, imoto bumper nayo inomphumela othile we-aerodynamic.
Ngasikhathi sinye, ukuze kuncishiswe ukulimala kwabahlali bemoto uma kwenzeka kwenzeka ingozi yokushayisana, umnyango umnyango uvame ukufakwa emotweni ukuze uthuthukise amandla okulwa nokushayisana komnyango wemoto. Le ndlela iyasebenza, ilula, futhi inoshintsho oluncane ekwakhekeni komzimba, futhi isetshenziswe kabanzi. Ukufakwa kwe-bumper emnyango ukubeka imishayo embalwa yensimbi enamandla aphezulu noma ngokuqondile kuphaneli yomnyango womnyango ngamunye, odlala indima yama-bumpers emoto ngaphambili, okubhekwa njengezinhlangothi zemoto ngaphambili. , kwakha "udonga lwethuli", ukuze izimoto ezihlala zinendawo ephezulu yokuphepha. Vele, ukufaka lolu hlobo lwe-BUMPER yomnyango kungaze kube ngokungangabazeki kukhuphuke izindleko zabakhiqizi bezimoto, kodwa kubahlali zemoto, ukuphepha kanye nomuzwa wokuphepha kuzokwandisa kakhulu.