ABSTRACT
Material Subcategory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334 8.9.3 U.S. Environmental Regulations for the Aluminum Basis
Material Subcategory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335 8.9.4 U.S. Environmental Regulations for the Copper Basis Material Subcategory . . . . 337
8.10 Technical Terminologies Used in the Porcelain Enameling Industry . . . . . . . . . . . . . . . 342 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 344
Enameling is an old and widelyadopted technology.1-9 The ancient Egyptians applied enamels to pottery and stone objects. The ancient Greeks, Celts, Russians, and Chinese also used enameling processes on metal objects.9
