1. ink stain removal: put a piece of absorbent paper under the pages stained with ink stains, then soak the stains with% hydrogen peroxide solution or potassium permanganate solution, then put a piece of absorbent paper on the pages and press a heavy object, and the ink stains will disappear after drying. If there are brown spots when using potassium permanganate solution, oxalic acid or citric acid solution can be used to remove them.
2, quietly suck the source of knowledge, show the true nature of true talent and practical learning.
3. Details reflect character, and civilization shows temperament.
4. Create a warm and comfortable environment and experience a different romantic life.
5. Knowledge builds a harmonious world, and reading makes a wonderful life.
6, books should be moved frequently, even if they are not commonly used books, they should be turned over regularly.
7. I left quietly, just like I came quietly without taking a book.
8. The book baby was afraid of loneliness and put it in the recycle bin.
9. Take good care of books and materials and say no to improper possession.
10, proposal on civilized reading library.
1 1. oil stain removal: put a piece of absorbent paper on the oil stain and iron it gently for several times, and the oil stain will be completely absorbed. It can also be wiped off with a mixture of a few drops of gasoline and magnesium oxide.
12, love books like like eyes.
13, "Placing books at will means placing your self-cultivation at will".
14. Books are friends of human beings. Caring for books is caring for friends.
15, books are the source of knowledge, and books are close friends of human beings.