Iibheringi zevili lemoto zemveli zenziwe ngeeseti ezimbini zeebheringi ezinetapered okanye iibheringi zebhola.Ukunyuka, ukufakwa kwe-oyile, ukutywinwa kunye nokulungelelaniswa kwemvume yeebheringi zonke ziqhutyelwa kumgca wokuvelisa imoto.
Iibheringi zevili lemoto zemveli zenziwe ngeeseti ezimbini zeebheringi ezinetapered okanye iibheringi zebhola.Ukunyuka, ukufakwa kwe-oyile, ukutywinwa kunye nokulungiswa kwemvume yeebheringi konke kuqhutyelwa kumgca wokuvelisa imoto.Olu hlobo lwesakhiwo lwenza kube nzima ukuhlanganisana kwisityalo sokuvelisa imoto, ixabiso eliphezulu, ukuthembeka okubi, kwaye xa imoto igcinwe indawo yokugcina, nayo ifuna ukucoca, igrisi kunye nokulungelelanisa ukuthwala.