[ chemical conversion coating preparations, namely, phosphating, chromating, oxalating for producing non-metallic coatings for bonding organic finishes to metals; rust proofing chemicals for use in industrial protection from oxidation; ] industrial and manufacturing chemicals for removing scale, carbon, grease, sealing compounds, soot, road soil or the like deposits from surfaces for use in the manufacture of metal, plastic and composite articles; [ chemical preparations for sealing metal surfaces for priming or bonding; ] chemical preparations for use in the treatment of metals; [ picking solutions being chemicals or substances for use in the removal of deposits or of coatings from metals; chemical compositions for industrial use for removing and inhibiting the formation of encrustation in water systems; industrial and manufacturing chemicals for use in dissolving grease; chemical emulsifiers for use in the manufacture of normally immiscible preparations; chemical additives for use as defoaming agents for use in the manufacture of detergent based compositions to prevent foaming; chemicals for use in etching metals and additives to chemical etching solutions; chemical preparations for use in the detection of surface blemishes, flaws or cracks on metallic and ceramic surfaces; chemical preparations for dewatering and temporary corrosion protection from corrosion following the cleaning and/or phosphate treatment of metallic surfaces or articles; chemical preparations for inhibiting rust formation on the surface of ferrous metal articles; chemical preparations, not in the nature of paint, for sealing and protecting metal, plastic [ and wooden ] surfaces; pre-treatment chemicals for use in the metal working and painting industries; chemical preparations for preventing scale and for removing or diminishing encrustation in water treatment equipment; chemical preparations for use in the manufacture of industrial coatings for metals; chemical preparations for preventing the formation of scale in machines; chemicals for use in the manufacture of electroplated metallic or plastic articles; surfactants for use as additives in cleaning processes for metal and plastic surfaces; and chemical preparations for use in the metal industry, namely, for use in the final rinse of components after iron, zinc or magnesium phosphating ]

chemical preparations not in the nature of foam for removing oil, grease or petroleum; and chemical cleaning, washing, degreasing, oil removing, detergent preparations for use in industrial manufacturing facilities