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Blind people usually feel difficult to order dishes. They can not watch dazzling menu, but only listen carefully of the waiter’s introduction. Then they have to remember the names clearly, and make choice immediately. Now this bump food menu can help blind to do it by themselves. When the blind get the bump food menu, they only need to make decision of what they want and press the protruding hemisphere softly, the depressions will record all the information. If everything is completed, we can restore the bump and wait for next user. This Menu could help avoiding waste big amount of paper for ordering food.
Gao Fenglin Zhou Buyi