proprietary substances used in food preparation and nonfood compounds used in slaughtering and processing plants, namely, smoke flavoring agents, namely natural and artificial smoke flavoring; marking agents, namely branding inks, tattoo inks, and marking crayons; food processing substances, namely poultry and hog scald agents, tripe denuding, bleaching and neutralizing agents, substances for washing fruits and vegetables, preflushing agents for casings, refining agents for rendered fats, rendering agents, and release agents; denaturants namely denaturants for meat requiring tankage and for meat not intended for human food and denaturants for poultry requiring tankage and for poultry not intended for human food; substances for foam control in soups, stews, rendered fats, and curing pickle; and substances for cleaning or treating feet or other edible animal parts; cleaning solutions/preparations for use in cleaning soak tanks, floors, walls, freezer floors, and freezer walls, and for use in steam and mechanical cleaners, acid cleaners, scouring cleaners, metal polishes, degreasers and carbon removers; laundry products; toilet/dressing room products; paint removers; antimicrobial products, namely sanitizers; hand care products, namely handwashing products, hand sanitizing products, hand lotions and cleaners; pesticides, namely nonresidual and residual pesticides, rodenticides, fumigants; water treatment products, namely phosphate products, silicate products, chlorine products, cooling and retort water products, and boiler and steam line products; lubricants namely soluble oils; absorbent/anti-slip agents; solvent cleaners namely electronic instrument cleaners and adhesives/glue removers; sewer and drain cleaners namely enzymatic cleaners; shell egg products namely general cleaners, destainers, quartenary ammonium chloride sanitizers, chlorine sanitizers, foam control products, and iodine sanitizers; and coatings for use on incidental food contact surfaces