No recycling. "The double flag coin of the Republic of China is a copper coin with a five-color flag on it, which reads the four characters of the Republic of China and is embroidered with a flower. Under normal circumstances, this copper coin library will not be recycled. Because there are enterprises that specialize in recycling this copper coin, the library will recycle books and other books. A library is an institution that collects, sorts out and collects books and materials for people to read and refer to.