Ключевые слова: accessibility, amusement arcade, arcade, authority, backgrounds, bar code reader, biometrics, cardkey, computer keyboard, concepts, creativity, design, digitally generated image, domestic room, door, encryption, fingerprint, fingerprint scanner, futuristic, human finger, ideas, illustration and painting, indoors, intelligence, keypad, lock, medical scan, medical scanner, no people, password, reading, safety, science, security, security staff, security system, sensor, technology, technology abstract, touching, vaulted door, vehicle door,