>Often I meet this paper but I do not know what its usefulness.
Maybe some one know please write in my comment. I was surprised to see that when someone came out of the store or other place immediately throw this paper away.
Whether for them this paper is not important.* Follow me @apacutrizki, Thanks for my friend @munawarkhalil12 who sent this picture to me.
# I wait for the information in my comments, about the usefulness and function of this paper.
@apacutrizki, Thanks for my friend 
@munawarkhalil12 who sent this picture to me.
# I wait for the information in my comments, about the usefulness and function of this paper.