VentilationAir ConditioningSick Building SyndromeGas ScavengersAir Pollutants, OccupationalAir MovementsAir Pollution, IndoorAir MicrobiologyWeldingDecontaminationOccupational ExposureWorkplaceRespiration, ArtificialPulmonary VentilationDustEquipment DesignHigh-Frequency VentilationIntermittent Positive-Pressure VentilationTidal VolumePositive-Pressure RespirationHigh-Frequency Jet VentilationNoninvasive VentilationVentilator WeaningRespirationRespiratory MechanicsVentilators, MechanicalPulmonary Gas ExchangeCarbon DioxideVentilation-Perfusion RatioIntubation, IntratrachealHypercapniaRespiratory Distress Syndrome, AdultVentilator-Induced Lung InjuryOxygenWork of BreathingBlood Gas AnalysisPartial PressureLungLung ComplianceTracheostomy