Drills -- Microscope -- Preparation and Planning -- Identify following structures prior to the surgical exercises -- Mastoid -- Antrostomy -- Mastoidectomy -- Identification of the semicircular canals -- Posterior tympanotomy -- Identification of the facial nerve in its mastoidal portion -- Cochleostomy -- Endolymphatic sac surgery -- Epitympanotomy -- Open mastoid cavity -- Facial nerve decompression -- Labyrinthectomy -- Translabyrinthine approach to the internal auditory canal -- Transtemporal approach to the internal auditory canal -- Perforation of the tympanic membrane -- Ossicular chain reconstruction -- PORP -- TORP -- Stapes surgery -- Malleovestibulopexy.