Ключевые слова: access, accessibility, apartment, building, button, closed, code, control, door, doorway, electric, electronic, enter, entrance, entry, estate, exit, finger, front, hand, handle, hold, home, hotel, house, human, indoors, interior, key, keypad, lock, metallic, modern, number, office, open, password, privacy, protect, protection, residential, room, safe, safety, security, steel, system, touch, unlock, woman,