Ключевые слова: avoid, black, business, close, cold, contact, contract, corona, coronavirus, covid, crowd, dark, door, forbidden, gesture, grippe, hand, handle, handshake, health, home, icon, interaction, isolated, minimize, pandemic, people, person, physical, precaution, prevention, prohibition, quarantine, risk, shake, sick, sign, simple, social, solitary, space, stop, surface, tactile, touch, virus, warning,