Qalab yareeya godadka wareegsan ayaa loo isticmaalaa isku xirka tuubooyinka godan, oo inta badan loo isticmaalo qalabka yareeya tuubooyinka, bartamaha labada daraf ee tuubooyinka isku xiran kuma jiraan xariiq isku mid ah, taas oo beddeli karta cabbirka socodka.













