Ключевые слова: access, admittance, authorised, clinic, clinical, cross, door, doorway, enter, entrance, entry, environment, forbidden, glass, health, healthy, indication, indoor, infection, information, lab, laboratory, medical, medicine, metallic, notice, only, outside, personnel, protection, red, room, safety, security, sign, signage, staff, sterilized, symbol, warning, window, wood, wooden, worker, workplace,