 Dib-u-qabashada dib-u-dhiska waxaa loo isticmaalaa oo keliya in lagu xiro laba bog oo shabakadeed oo kala duwan oo isku-soo-jiidaya laakiin si loo wareejiyo iyo dib-u-marin loogu sameeyo heerarka tayada labada dhinac. 