Gabashin yana karɓar ƙarfin tasirin, wanda aka rarraba shi ta hanyar ƙwanƙwarar kusa da makamashin makamashi a garesu sannan kuma a sake shigar da tsarin jikin.
An soke hanyar da ƙarfin tasirin da aka watsa, kuma ƙarfin tasirin tasirin da aka watsa ta baya ga akwatin abubuwan sha na makamashi a ɓangarorin biyu, sannan zuwa wasu tsarin raya.
Bumpersancin ƙarfi-ƙarfin aiki na iya jimre wa tasirin, yayin da manyan ƙarfi-karfi sakamakon watsa mai watsa ƙarfi, kuma a ƙarshe canja wuri zuwa wasu tsarin watsa jiki don tsayayya da tsarin jiki.
Amurka ba ta la'akari da bututu a matsayin Kanfigareshan aminci: IIhs a Amurka ba ya la'akari da bankin aminci, amma a matsayin kayan aiki don rage asarar karancin karuwa. Sabili da haka, gwajin na bumper shima ya dogara da manufar yadda ake rage asarar da farashin tabbatarwa. Akwai nau'ikan gwajin hadarin IIHU guda huɗu, waɗanda suke gaban gwajin hadarin bango na gaba (saurin 10km / h) da na gaba da gwajin hadarin gefen da na gaba (saurin 5km / h).
