Ключевые слова: background, blue, built, calculation, closed, deaf, development, diver, dumb, education, enumeration, female, figure, fingers, fist, folded, four, gestural speech, gesture, glove, gloves, hand, healthy, hear, large, left, limited, medical, medicine, not hear, number, one, open, palm, pink, pointing, protection, right, rubber, safety, see, shape, show, sign, speak, symbol, understand, wrist,