Angle irons of metal; Common metal pulls; Common metals, unwrought or semi-wrought; Containers of metal for stock feed; Hardware, namely, metal brackets for general use; Joists of iron or steel; Ladders of metal; Mechanical fastening elements of metal; Metal folding doors; Metal gate stops; Metal hardware, namely, pulleys; Metal karabiners; Metal upholstery tacks; Pipe tubes of metal; Placards of metal