INDUSTRIAL AND COMMERCIAL CHEMICALS, NAMELY, LIQUID DYE PENETRANT COMPOSITIONS, DEVELOPER COMPOSITIONS AND EMULSIFIERS FOR USE IN NONDESTRUCTIVE TESTING AND INSPECTION OF OBJECTS; CHEMICAL ADDITIVES FOR USE AS DEFOAMING AGENTS; ACIDS FOR USE IN ETCHING METAL OBJECTS, SUCH AS OBJECTS MADE OF COPPER, ZINC AND ALUMINUM METALS AND THEIR ALLOYS; FOR EXAMPLE, METAL DEOXIDIZERS, [ CHEMICALS FOR THE TREATMENT OF BOILER WATER AND WATER USED IN INDUSTRIAL OPERATIONS; CHEMICALS FOR USE IN THE PASSIVATION OF METAL SURFACES, SUCH AS IRON, ALUMINUM, TITANIUM, MAGNESIUM, COPPER, ZINC AND THEIR ALLOYS; FOR EXAMPLE, CHEMICALS FOR THE TREATMENT OF METAL COMPONENTS, SUCH AS IRON, ALUMINUM, TITANIUM, MAGNESIUM, COPPER, ZINC AND THEIR ALLOYS, FOR EXAMPLE, USUALLY PRIOR TO SUBSEQUENT TREATMENT, FINISHING, COATING OR TESTING OF SUCH COMPONENTS; MIST SUPPRESSANT FOR USE IN THE METAL PROCESSING INDUSTRY; PAINT BOOTH DEFLOCCULANTS; ] CHEMICAL SURFACE CLEANING AGENTS; DETERGENTS, DEGREASING AND DECARBONIZING CHEMICALS FOR USE IN INDUSTRIAL AND MANUFACTURING PROCESSES; [ PHOSPHATING CHEMICALS; CHEMICALS USED IN ELECTROPLATING; ] MAGNETIC PARTICLES IN A FLUID SUSPENSION FOR USE IN TESTING AND DETECTING IMPERFECTIONS IN METAL SURFACES, SUCH AS METAL SURFACES COMPRISING PORTIONS OF AIRCRAFT, SPACECRAFT, LAND AND WATER VEHICLES AND MACHINE TOOLS; [ FOR EXAMPLE, CHEMICALS FOR PRINTED CIRCUITRY, SOLDERING AND WELDING; RAIN REPELLANT PREPARATIONS FOR USE ON WINDOWS, WINDSCREENS OR WINDOW SHIELDS; SOLDER STRIPPER; SEALERS AND IMPREGNATING COMPOUNDS FOR METALLIC CONVERSION COATINGS FOR USE IN MANUFACTURING OPERATIONS TO PREPARE A METAL SURFACE, SUCH AS STEEL, ALUMINUM AND ALUMINUM ALLOYS; FOR EXAMPLE, ] FOR SUBSEQUENT TREATMENT AND DESCALANT CHEMICALS FOR [ FACTURING AND FOR ] RELEASING RUST AND LOOSENING FLUXES