Galvanized steel sheets; steel sheets; irons and steels, namely, unwrought and semi-wrought sheet metal and cast iron; steel pipes; common metals, unwrought or semi-wrought; sheets and plates of metal, namely, sheet metal and identity plates of common metal; steel sheets and plates; pipes of metal; building boards of metal; metal building materials, namely, ceiling boards and floor boards; building materials, namely, composite panels composed primarily of metal; reinforcing materials of metal...

Dust masks; gas masks; welding masks; respiratory masks for the prevention of accident or injury