(2) sun protection. Exposure of books to the sun for a long time will make the paper yellow and brittle, so curtains should be hung on bookshelves and bookcases to avoid sunlight.
(3) Damage prevention. Improper storage of books will damage writing. Text bound books should be placed vertically, while thread bound books should be placed horizontally. If books are not properly maintained, they will be mildewed or even eaten by insects for a long time. 50 grams of rhubarb and 50 grams of angelica dahurica can be ground into powder, put into several sandbags and put into the bookcase, which can make the bookcase smell fragrant and have the effects of dehumidification, mildew prevention and moth prevention.
Cleverly remove stains from books.
(1) Remove oil stains. Put a piece of absorbent paper on the stain and iron it gently several times until the oil stain is completely absorbed.
(2) Wash with red and blue ink. Put a piece of absorbent paper on the page stained with ink and soak the stain with 2% hydrogen peroxide solution. Then put a piece of absorbent paper at the top of the page and press it with a heavy object. When it dries, the ink will naturally disappear.
(3) fly removal and stain removal. Wipe with cotton dipped in vinegar or alcohol.
(4) removing mildew spots. Wipe the mildew spot with a cotton ball soaked in alum solution, and then press it on absorbent paper to suck it dry.
(5) Remove ink marks. 3 g of borax, paraquat 1 g and alum 1.5 g are ground into fine powder; Take an egg, break the top, pour out the egg white, remove the eggshell, then mix the egg white with the powder, pour it into the eggshell and dry it for later use. When in use, take a proper amount and add water as needed, and apply it to the back of the ink in a thick paste. When it is half dry, the ink will naturally drop with a flick of your finger.
(6) Remove dirty marks. Wipe with cotton dipped in a little soapy water, and then blot with absorbent paper.
Clever maintenance of hardcover books
(1) You can wipe it with a flannel dipped in turpentine, and then wipe it with a soft cloth. Mix egg yolk and 90% alcohol into a solvent, and then wipe the hardcover book with this solvent.
(2) Wipe the hardcover book with beeswax or wax.
(3) Remove the thick paint and grease from the book cover and wipe it with a woolen cloth that has been rubbed with white candles.