The sign language is required. To use to communicate with people with disabilities. Were prepared in the form of banners or signs characters meaningful to people with disabilities understand clearly visible collar.
With sign language that is needed in order to communicate with people with disabilities, provided in the form of letters or signs, labels, symbols meaningful to people with disabilities understand clearly maeong.
There is a sign language symbols that need to be used to communicate with people disabled by creating characters in the form of a sign or sign the meaning of duty to understand and see clearly.