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Have you been exchanged letter?
Haven’t you heard about the ‘If you can’t speak, write your words down.

Writing is primary means of expressed.

Let’s think about if your love have visual impairment.
Can you write letter or send christmas card?
Maybe, always have a need that help of a third party.

But braille is very difficult to use.
So, I suggest that much better way of communicationg.


Yeongnam Univer sity

Yeongnam Univer sity
Gyeongsan-si, Gyeongbuk, South Korea


Yeongnam Univ., Dae-dong, Gyeongsan-si,

Yeongnam Univ., Dae-dong, Gyeongsan-si,
Gyeongbuk, Korea
daegu, South Korea

joo yeon, kim