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Aluminum alloy; Beams of metal; Galvanized steel sheets; Metal beams; Metal brazing rods; Metal forgings; Metal hardware, namely, springs; Metal hinges; Metal joists; Metal laths; Metal rods for brazing and welding; Metal threaded fasteners; Metal tubs; Metal turnbuckles; Metal utility poles; Nickel alloys; Non-automatic metal turnstiles; Pure iron ingots; Steel; Steel rods