Common metals and their alloys; Floor hinges of metal; Self-closing hinges of metal; Spring hinges of metal; Door hinges of metal; Hinges of metal incorporating a spring; Hinges of metal for doors and windows; Reinforcing materials of metal for building; Construction materials, namely, metal piles; Metal building materials, namely, ceiling boards and floor boards; Construction materials, namely, metal toilet partitions; Building materials, namely composite panels composed primarily of metal