Ключевые слова: alphabet, alphabetical, alphabetically, arm, communicate, communication, cropped view, cyrillic, deaf, deaf aid, deaf and dumb, deaf and dumb language, educational, fingers, gesture, gesturing, hand, human, isolated on white, knowledge, language, learn, letter, male, man, manual, one, partial, people, person, sensory, showing, sign, sign language, studio shot, symbol, talking,