Braces of metal for handling loads; Cast iron, unwrought or semi-wrought; Metal pipe connectors; Common metal bands for the identification of pet animals; Containers of metal for chemicals, compressed gases and liquids; Elbows of metal for pipes including those from alloy steel and titanium; Metal construction materials, namely, exhaust vent hoses for external ventilation of furnaces, heaters, stoves and boilers; Metal door hardware, namely, keys and key cylinders; Metal hardware, namely, ca...