Ключевые слова: adult, aid, air, asthma, background, blue, breathe, breathing, care, checking, closeup, compressed, container, copy, corona, covid, covid19, cylinder, disease, doctor, emergency, epidemic, equipment, female, flu, gas, gauge, grey, hand, health, hospital, life, light, lung, medical, nurse, oxygen, person, pneumonia, pressure, regulator, respiration, respiratory, space, tank, text, therapy, treatment, woman, worker,