title: Breathing equipment--part 2.
mesh_terms: D006801:Humans; D006813:Humidity; D007384:Intermittent Positive-Pressure Breathing; D007385:Intermittent Positive-Pressure Ventilation; D011175:Positive-Pressure Respiration; D012121:Respiration, Artificial / Q000379:methods*; D012122:Ventilators, Mechanical