metal hardware and construction elements, namely, steel-to-steel structural connectors, steel-to-concrete structural connectors, and wood-to-concrete structural connectors

Chandeliers; Faucets; Flashlights; Lamps; Searchlights; Ceiling fans; Ceiling lights; Germicidal lamps for purifying air; Incandescent lamps; Laboratory lamps; Lamp globes; Lanterns for lighting; Light bulbs; Lights for vehicles; Safety lamps for underground use; String lights for festive decoration; Theatrical stage lighting apparatus; Ultraviolet lamps not for medical purposes; Wall lights