Iibinta biraha birta ah ee buundooyinka cagaha ee kala duwan iyo wareejinta iyo jaranjarooyinka cabbirrada kala duwan. Bixinta cabbirada iyo dawaarle-dhigay si waafaqsan shuruudaha macaamiisha. Talooyin ku saabsan doorashada nooca saxda ah ee shabaggeedii iyadoo loo eegayo ujeedada isticmaalka.