52 PAINT STRIPPERS, CLEANING COMPOUNDS OF GENERAL APPLICATION AND COMPOUNDS FOR CLEANING METALS, EMULSION CLEANERS, RUST REMOVERS INCLUDING PICKLING ACIDS, DEGREASING SOLVENTS, CARBURETOR CLEANER, FORGING COMPOUNDS FOR LUBRICATING, REMOVING SCALE, AND/OR RELEASING THE WORK FROM THE DIE, DETERGENTS, CARBON REMOVING COMPOUNDS PICKLING ACID INHIBITORS FOR INHIBITING REACTION WITH THE FREE METAL, FOAMING AGENTS FOR USE IN PICKLING BATHS, AND SHAMPOO