1. The soup, sauce, and milk stains on the clothing should be wiped with gasoline first. After the oil on the stains is removed, clean it with a diluted solution made of 1 part ammonia and 5 parts water at a concentration of 10%, and then wash it carefully with water.
2. For brightly colored wool fabrics and silk fabrics, the stains, sauces, and milk stains should be soaked with 35 degrees Celsius hot glycerin, and then gently wiped with a brush. After a quarter of an hour, wipe with a cotton ball or cloth dipped in warm water at 25-30 degrees Celsius. It can also be removed by a mixture of 20 parts of glycerol and 1 part of ammonia water at a concentration of 10%.
3. The general soup, sauce, and milk stains on the clothes can be moistened with acetone, then scrubbed with a soft cloth, then washed with a 2% aqueous ammonia solution, and finally used clean water several times until it is washed.