Sign language is a language for the deaf, used in communication. Based on the facial expressions, gestures, and body movement to engage in communication, however,Due to the use of sign language will vary according to the characteristics of the language in the country or region, and so the characteristics of sign industry. Used for communication about around in everyday life, such as greetings.Or expressions. Therefore, we collect a simple sign language of 20 posture to leave each other.
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