Ключевые слова: air, asthma, asthmatic, background, breathing, bronchial, care, close, closeup, concept, cough, equipment, face, green, hand, health, help, holding, hospital, inhalation, inhaler, instrument, isolated, mask, medical, medicine, nebulizer, object, oxygen, patient, problem, professional, respiratory, safety, science, sick, treatment, up, vertical,