Ключевые слова: academic, bacillus, bionomic, blue, breathing, care, care free, cleaning, corona, coronavirus, coughs, covid, defense, disposable, doctor, dust, earth, eco, ecology, epidemic, face mask, fearless, gloves, grass, ground, health, hygiene, mask, medical, medicine, prevention, problem, professional, protect, protection, safety, sars, sick, sickness, surgical, trouble, uniform, virus, white,