How to restore wet books to their original state after drying?

Method 1: Put the book flat when it is wet, then put it in the refrigerator and take it out (about 2 hours) to remove water. It's already rolled up. It won't work.

Recovery method 2: If the books are not serious, smooth them and put them in a ventilated place to dry. Don't expose them to the sun.

Method 3: Put the book in the microwave oven 1 minute, which can remove the water in the book and will not be afraid of water in the future. It is very useful.

Recovery method 4: plug in the electric warm air below, hang the book on it, and then blow the book with a hair dryer, which will soon dry.

Method 5: Absorb water with activated carbon, and then flatten it with glass plate.

Method 6: Put the book between two solid boards and clamp it flat. Just dry it slowly, and there will be no wrinkles when it is dry.