Haɓakar rugujewar daɗaɗɗen kai an ƙirƙira ta musamman don rushe gine-ginen bene masu yawa.Zane-zanen sassan uku yana sa haɓakar rushewa & hannu ya zama mafi sassauƙa kuma yana iya isa ga maƙasudi a cikin kusurwar da ake buƙata.Yawancin lokaci ana sanye shi akan 35t ~ 50t excavator.Madadin guga, haɓakar rugujewa mai nisa & hannu yana ɗaukar hydraulic shear don yaga manufa cikin sauƙi.Wani lokaci, mutane kuma suna zaɓar na'urar hana ruwa don karya siminti mai wuya.