a. After staining with animal or vegetable oil stains, wipe it dry with gasoline or turpentine first, then wash it with soap after the oil stains have turned, and then wash it with clean water;
b. After being stained with sauce, oil or stains, first scrub with ammonia, then scrub with oxalic acid, and finally wash with clean water;
c. After staining with ballpoint pen oil stains, scrub with alcohol and then soak in boiling water;
d. After ink stains are stained, scrub them with rice or rice porridge and salt;
e. After staining with blood, wash it with cold water first, and then wash it with ammonia
f. After staining with rust, soak it in hot water, apply dilute sulfuric acid, and wash it with clean water
g. After staining with juice, wash with hydrogen peroxide and then with clean water
h. After stains are stained with yellow mud, first brush with a brush, then apply ginger to the stained area, and then wash with clean water
i. If there are sweat stains, soak them in 3% salt water for 2-3 hours, then rinse with clean water, and then wash with soap.
j. After staining with cosmetic stains, put a few drops of alcohol on the stained area, rub it gently with your hands, and then wash it off with clean water.
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