... if necessary.2,Shoe polish, sunscreen and pen oil can be wiped by sponge-dipping perchloroethylene, dry it with absorbent towel and ... strong absorption.3,Paraffin wax, tar and asphalt can be wiped hard or dipped sponge in clean perchloroethylene.4,Nail polish ... injected into small pieces by Freon7,Fungus and mildew can be wiped thoroughly with water dissolved a 1% hydrogen peroxide after soakingFourth ...