Small grease dirt and powder use a mild detergent or solvent cleaning, then rinse and dry; or scrub with a damp cloth to completely remove all stains.

细小油脂污物及粉未使用中性清洁剂或溶剂清洗，再用清水洗净，干燥；或用湿布擦洗，以彻底清除所有污迹。