HS 7016: Paving blocks, slabs, bricks, squares, tiles and other articles of pressed or moulded glass, whether or not wired, of a kind used for building or construction purposes; glass cubes and other glass smallwares, whether or not on a backing, for mosaics or similar decorative purposes; leaded lights and the like; multicellular or foam glass in blocks, panels, plates, shells or similar forms

Notes 1. This Chapter does not cover: 2. For the purposes of 7003, 7004 and 7005: 3. The products referred to in 7006.00.00 remain classified in that heading whether or not they have the character of articles. 4. For the purposes of 7019, "glass wool" means: 5. Throughout this Schedule, "glass" includes fused quartz and other fused silica. Subheading Note 1. For the purposes of 7013.22.00, 7013.33.00, 7013.41.00 and 7013.91.00, "lead crystal" means only glass having a minimum lead monoxide (PbO) content by weight of 24%.