Ключевые слова: bacterium, cobblestone, contamination, copy space, corona, corona virus, coronavirus, covid19, dangerous, dirty, discarded, disease, disgusting, disposable, disposable mask, disposal, environment, environmental, epidemic, face, face mask, garbage, health, health care, healthcare, hygiene, hygienic, infection, litter, mask, medical, medical mask, pandemic, pollution, protection, protective, protective mask, quarantine, recycle, recycling, rubbish, safety, street, surgical, throw, trash, used, virus, waste,