Ключевые слова: art, background, bag, baggage, black, business, case, center, close, code, combination, concept, confidential, equipment, frame, function, gray, guard, handle, key, lock, luggage, macro, material, metal, midpoint, modern, number, object, protect, protection, safe, safety, secret, secure, security, steel, suitcase, system, technology, texture, travel, unlock, valise, wallpaper, white,