Ключевые слова: asleep, blank, brown, busy, card, clean, close, closed, concept, disturb, door, doorknob, empty, entrance, handle, hanging, home, hotel, house, idea, intimate, key, knob, label, lock, message, metal, metallic, nail, nobody, old knob, privacy, private, red, rest, room, safety, secret, security, service, sign, sleep, sleeping, symbol, tag, thank, toilet, unlock, white, wood, you,