Molybdenum; Titanium; Bolts of metal; Irons and steels; Magnetic alloys; Metal hooks; Metals and metal alloys; Non-ferrous metals and their alloys; Ores of metal; Poles of metal; Rivets, cramps and nails of metal; Sheets of metal including those from alloy steel and titanium; Single crystal source materials, namely, refractory metals; Tin and its alloys; Tungsten iron