12 Sheet-Metal Building Products--to-wit, EAves Trough and Eaves-Trough Drops, Ends, and Fittings; Conductor Pipe and ConduCtor-Pipe Elbows and Fittings, Building Corners, Corner Beads, Base Screeds, MolDings and Plaster Terminals [; Ceiling, Roofing, and Siding; Finials and Cupolas]