LaryngoscopesIntubation, IntratrachealLaryngoscopyManikinsDisposable EquipmentEquipment DesignAirway ManagementFiber Optic TechnologyAnesthesiologyImmobilizationLaryngeal MasksVideo RecordingCervical VertebraeLarynxEpiglottisGlottisDecontaminationTongue DiseasesAnesthesia, GeneralGram-Positive RodsAirway ObstructionSuctionSpinal InjuriesTooth InjuriesLaryngeal DiseasesRespiration, ArtificialEquipment ContaminationTransducers, PressureTracheaClinical CompetenceAllied Health PersonnelBiguanidesFluoroscopy