Ключевые слова: architecture, automatic, building, busiest, business, buttons, closed, coughing, disease, doors, droplets, due, elegance, elevator, employees, entrance, epidemic, fear, from, granite, home, indoor, lift, lifts, lobby, modern, no, nobody, office, offices, outbreak, pandemic, paneling, people, sensor, shiny, shutdown, silent, silver, sneezing, spread, spreading, stay, touch, transportation, virus, wall, water, work,