Ключевые слова: background, blue, built, closed, deaf, development, dumb, female, fingers, fist, five, folded, four, gestural speech, gesture, gloves, hand, hear, index finger, lab, laboratory, large, left, limited, medical, one, open, palm, pink, pointing, protection, right, rubber, safety, see, shape, show, signal, speak, sterile, surgical, symbol, ten, three, two, understand, wear, wearing, wrist,