Ключевые слова: 6 feet, airport, canteen, caution, community, concept, coronavirus, covid19, disease, distance, distancing, entrance, exit, floor, hall, illustration, infection, keep, keep distance, mall, meter, notice, office, outbreak, pandemic, people, person, prevention, preventive, print, protection, public, railway, respect, safe, safety, safety distance, sign, social, social distance, social distancing, spread, stand, sticker, store, symbol, train station, virus, warning,