6 TRICHLORETHYLENE, TRIETHANE, PERCHLOROETHYLENE, CHROMIC ACID, PHOSPHORIC, NITRIC, SULFURIC AND MURIATIC ACIDS, PLATING BRIGHTENERS, CHROMATE SOLUTIONS, NICKEL SULFATE, ZINC AND COPPER CYANIDES, AND XYLOL, TOLUOL AND ACETONE SOLVENTS ALL USED IN THE METAL FINISHING AND METAL PLATING INDUSTRY