Lokacin da tsakiyar motar A ke birgima akan bangon rijiya, raguwar radial na bit ɗin yana raguwa sosai saboda tallafin mai magana.
yankan ya yi laushi, rayuwar masu yankan ya fi tsayi, kuma rijiyar burtsatse ta fi yawa; masu yankewa a kan kakakin na iya haɓaka ikon yanke gefe.