Ключевые слова: air, anesthesia, artificial ventilation, assistance, assistant, breath, breathing, care, clinic, control, copy space, doctor, emergency, equipment, health, health care, hospital, illness, intubation, lung, lungs, mask, medical, medical equipment, medicine, observation, oxygen, paramedic, patient, people, pneumonia, recovery, rescue, respiratory, resuscitation, treatment, urgency, ventilation,