There is already a fourth paper, to create products made from paper, used them to make a symbol to communicate to that "these papers are not junk but also useful to reuse."
A fourth paper that is recycled. Then create products made from those used paper. So as to communicate to that symbol. "These are not the waste paper It is also useful to be reused again. "
That is the paper s are used. The products made from recycled paper to them. In order to alphabetize out. "This paper is not a waste. But also benefits can be recycled. " .