Ключевые слова: bed, busy, cardkeyreader, closed, closeup, concept, corridor, disturb, do, door, doorknob, electroniclock, hand, handle, hang, hanger, hotel, indoors, inside, instructions, knob, lock, magnet, maid, message, motel, nobody, not, office, opening, please, privacy, private, quiet, red, rest, room, security, securitysystem, service, sign, sleep, stay, suite, symbol, tag, travel, vacation, warning, wooden,