This U.S. industry comprises establishments primarily engaged in coating, laminating, tempering, or shaping purchased glass.

Cross-References. Establishments primarily engaged in--

• Manufacturing optical lenses (except ophthalmic), such as magnifying, photographic, and projection lenses--are classified in U.S. Industry 333314, Optical Instrument and Lens Manufacturing;
• Manufacturing ophthalmic (i.e., eyeglass) lenses--are classified in U.S. Industry 339115, Ophthalmic Goods Manufacturing; and
• Manufacturing fiber optic cable from purchased fiber optic strand--are classified in U.S. Industry 335921, Fiber Optic Cable Manufacturing.