Balustrades of metal; Door stops of metal; Fittings of metal for furniture; Guard rails of metal; Hardware, namely, metal brackets for general use; Iron slabs; Joists of iron or steel; Metal brackets for use in the construction and assembly of decking; Metal mounting brackets for general use; Metal railings; Metal scaffolding; Metal shelf brackets; Metal spacer brackets; Metal trestles for use as table supports; Stairs of metal