Ключевые слова: 3d, 3d rendering, air, apparatus, appliance, asthma, background, blue, breathable, breathe, breathing, breaths, clinic, closeup, concentrator, coronavirus, cut out, device, disease, electrical, equipment, gas, healthcare, home, hospital, household, illness, illustration, isolated, lungs, machine, medical, medicine, object, one, oxygen, oxygen concentrator, oxygen concentrator 3d, oxygenenriched, portable, respirator, respiratory, single, technology, therapy, treatment,