Ключевые слова: african, american, background, blue, caucasian, close up, cloth glove, construction, day time, dirty, engineer, finger, fingers, fist, five, four, gesture, gestures, good, grunge, hand, human, index, language, like, male, man, numbers, old, one, palm, person, point, sign, signal, skin, symbol, three, thumb, thumbs, two, up, white, worker,