Paper

The human being was not able to write the letter in old days.

Therefore a letter was born.

Paper was used to write a letter.

The paper was invented in China.

Japan knew the existence of the paper in 610.

Paper made in Japan is called a Japanese paper.

The paper came to the West afterwards.

The human being makes a book from paper.

The human being wrote the history in a book.

The paper is grand invention.