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Chemicals for Use in the Dental Arts, Including Porcelain Liquids, Porcelain Surface Sealers, Opaquing Liquids and Articulating Pastes for Occlusal Adjustment; Dental Materials-Namely, Porcelains, [ WAXES, ] WATER PROOFING LIQUIDS, WAX PATTERN REMOVAL LIQUIDS, SPACING AND EXPANSION LIQUIDS, BONDING AGENTS, STAINS FOR PORCELAIN RESTORATIONS, SOLUTIONS TO RETARD DRYING OF PORCELAIN, PORCELAIN WETTING AGENTS, PORCELAIN, SURFACE TENSION REDUCING LIQUIDS, CERAMIC BONDING ALLOY, DENTAL SOLDER, AND DENTAL FLUX

Hand Tools for Use in the Manufacture of Prosthetic Dental Equipment-Namely, Spatulas, Carvers, Opaque Applicators and Knives

Laboratory Furnaces for Experimentation of Dental Equipment, Measuring Spoons, Laboratory Rack Apparatus, Laboratory Vibrating Instruments, Laboratory Cusp-Ball Instruments for Use in Experimentation

Dental Instruments-Namely, Dental Restorations, Firing Trays, Dowel Pins, Trays for Use with Porcelain, Opaque and Stain, Homostats, and Cutting and Grinding Disks

Educational Services in Connection with the Dental Arts-Namely, Conducting Courses in Dental Technology

Laboratory Services in Connection with the Dental Arts-Namely, Fabricating Prosthetic Dental Restorations to the Order and Specification of Others