Argentine Sign Language
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Argentine Sign Language (ISO/DIS 639-3: aed) is used in Argentina where there are around two million deaf people. Deaf people attend separate schools, they used local sign languages out of class. A manual alphabet for spelling Spanish has been developed, there are also TV and videos. Sign language is usually banned in the classroom, due to the (arguably erroneous) belief that allowing deaf children to sign would hinder their ability to communicate with hearing people.