1.First wipe from the edge of the stain and gradually shrink to the center to prevent the stain from spreading outward.

2. Do not use too much force when wiping, otherwise it will damage the fibrous tissue and surface.

3. Silk and wool carpets should not be cleaned with ammonia or alkaline water.

4. Oxalic acid is toxic, so it should be diluted in warm water when used. Concentrated acid is easy to damage the fiber.

5. When using turpentine, gasoline, etc., which are easily dyed, do not use it near the fire.

6. Potassium permanganate is a strong oxidant, which will damage the color of the carpet, so use it with caution.

7. Alcohol cannot be used for glass fiber. After wiping the carpet with clean water, use a clean towel to absorb the moisture, and try to dry the carpet as soon as possible, but avoid sun exposure to avoid fading.