Ink: After washing the stain with the diluent, mix 40 grams of neutral detergent in one liter of warm water, then clean the ink orientation.
Grease: Wash with a cloth dampened with perchloroethylene and stained with oil.
Chewing gum: Use a cloth dampened with perchloroethylene to wash the area with the chewing gum.
Ink: Mix 30-40 grams of neutral detergent in one liter of warm water and then clean the stain.
Mud: Mix 30-41 grams of neutral detergent in one liter of warm water and then clean the stain.
Ash: Wash with water.
Metal oxide stain: first wash with 3% oxalic acid (oxalic acid) solution, then rinse with water.
Chocolate: After washing the stain with light oil, mix 30-40 grams of neutral detergent in one liter of warm water and then clean the chocolate.
Blood stains: Take one liter of salt with one liter of clear water, wash and stain the blood stained parts, and then wash with warm water.
