Small items of metal hardware, namely, nuts, springs, and washers; Hinges of metal; Metal connectors for pipes; Junctions of metal for pipes; Fittings of metal for windows; Handrails of metal; Metal shower grab bars; Metal handrails for stairs; Hardware, namely, metal brackets for general use; Metal ladders; Fittings of metal for furniture; Buildings, transportable, of metal; Palings of metal; Shutters of metal; Metal hooks