Look at the following materials: Before papermaking spread in China, North Korea and Japan used bamboo and silk to write, India used white bark and palm leaves to write, Egypt used it and Europe used

Look at the following materials: Before papermaking spread in China, North Korea and Japan used bamboo and silk to write, India used white bark and palm leaves to write, Egypt used it and Europe used it. (1) are tortoise shells, animal bones, bamboo slips and silks.

(2) rags, hemp heads and old fishing nets are used as raw materials, which are easy to find and cheap, and the quality is also improved, so they can be widely used.

(3) The invention and improvement of papermaking greatly promoted the popularization of culture and education, promoted the spread and exchange of world science and culture, and profoundly influenced the process of world history. This is a great contribution of our people to world culture.