HARDIALL

Tin ores; unwrought or semi-wrought copper; nickel ores; alloys of common metals; common metals, unwrought or semi-wrought; alloys of copper, nickel and tin; nuts of metal; anti-friction metal, namely, metal ores

Treatment of metals; metal casting; soldering; mill working; galvanization; metal tempering; chromium plating; tin plating; metal laminating; heat treatment of metals; machine shop services, namely, machining parts for others