Ключевые слова: aerosol, air, allergy, asthma, background, breath, breathe, bronchial, bronchitis, chemical, chemistry, chronic, cut, cutout, drug, foreground, health, help, hospital, ill, illness, inhale, inhaler, injection, isolated, lungs, medical, medication, medicine, necessity, nobody, oxygen, plastic, pollution, prescription, push, respiratory, torture, white,