Ключевые слова: aid, artificial, assistance, asthma, attack, background, bottle, capacity, chemical, clinic, clinical, compressed, copd, cylinder, device, disease, emergency, equipment, gas, health, healthcare, heavy, heel, hospital, icu, industrial, industry, inhalation, mechanical ventilation, medical, medicare, medicine, oxygen, oxygenation, paroxysm, pressure, pressure gauge, production, respiration, service, tank, technology, urgent, valve, ward care,