Ключевые слова: aid, air, asthma, background, blue, breathe, breathing, care, clinic, compressed, container, copy, corona, covid, covid19, cylinder, disease, emergency, epidemic, equipment, first, flu, gas, gauge, health, hospital, life, light, lung, medical, o2, object, oxygen, pneumonia, pressure, regulator, respiration, respiratory, space, tank, text, therapy, treatment,