2. learning materials (exhibition)- Unable to read the message inside the exhibition.-Failed to learn an object or picture that shows.-The size of an exhibit is supposed to be small and could not be touched.-The old media. -Media learning some faulty points-should have Braille;-Should have an object model so that the blind can experience and learn.-Things should be large and able to promote learning.-Should supply modern media services-Learning materials should be repaired, ready for deployment.
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