1, new stains can be wiped with strong brine, or they can be immediately sprinkled with salt, gently rubbed by hand, washed with detergent solution after soaking in water, or washed with warm water and soap;

2. After removing heavy marks and old marks, the organic acids in the juice can be neutralized with 5% ammonia water first, and then washed with detergent. Tartaric acid can be used to clean chemical fiber blends containing wool;

3. If the fabric is white, add a few drops of ammonia water to 3% hydrogen peroxide, immerse cotton balls or cloth in this solution, wet the stained place, then wipe it with a clean cloth and dry it in the shade;

4. Wipe the contaminated area with 3-5% sodium hypochlorite solution, and then rinse with clean water. If it is old, it can be soaked in this solution for 1-2 hours, then brushed and rinsed clean.