Common metals and their alloys; building materials of metal, namely, shores, supports, braces, metal bars used as reinforcements for concrete, wood and metallic building construction, beams, joists, building wall framings composed primarily of metal, metal roof trusses, composite panels composed primarily of metal, ceiling boards and floor boards; transportable buildings of metal; railway material of metal in the nature of railroad ties, rails and railway crossovers; non-electric cables and w...

anchors made of metal for retaining stay cables and other structural elements; public works, construction of bridges, buildings, tanks, and civil engineering structures

MACHINE STEEL CASTINGS, TENDONS, ANCHORAGE BLOCKS WITH COMPATIBLE BEARING PLATES AND THE LIKE