Ключевые слова: access, access control, accessibility, accommodation, actions, apartment, authenticate, authorised, bedroom, business, card, card key, cardkey, cardkey reader, closed, colour, door, door chain, doorknob, electronic, electronic lock, entrance, entry, flat, hand, handle, holding, holiday, horizontal, hotel, hotel key, hotel room, hotel suite, inserting, key, keycard, keycode, keyless entry, lock, magnetic, motel, open, opening, pass, people, plastic, privacy, private, protect, room, secure, security, technology, tourism, travel, unlock, unlocking, vacation, vacations, validation,