3 INDUSTRIAL-TYPE CLEANING, POLISHING, SCOURING AND ABRASIVE PREPARATIONS FOR USE IN THE METALWORKING INDUSTRY-NAMELY, PREPARATIONS FOR CLEANING METALS; SCALE, CORROSION AND RUST REMOVERS; FINGERPRINT CORROSION NEUTRALIZER AND REMOVER; COMPOSITIONS FOR CLEANING COOLANT LINES, MACHINE TOOL AND ACCESSORY SURFACES, MACHINE SHOP FLOORS AND WALLS AND FOR USE IN SPRAY WASHERS, SOAK TANKS, VIBRATORY AND BARREL FINISHING OPERATIONS; ABRASIVE FINISHING AND BURNISHING COMPOSITIONS FOR VIBRATORY AND BARREL FINISHING OPERATIONS