HSN7308STRUCTURES (EXCLUDING PREFABRICATED BUILDINGS OF HEADING 9406) AND PARTS OF STRUCTURES (FOR EXAMPLE, BRIDGES AND BRIDGE-SECTIONS, LOCK-GATES, TOWERS, LATTICE MASTS, ROOFS, ROOFING FRAME-WORKS, DOORS AND WINDOWS AND THEIR FRAMES AND THRESHOLDS FOR DOORS, SHUTTERS, BALUSTRADES, PILLARS AND COLUMNS), OF IRON OR STEEL, PLATES, RODS, ANGLES, SHAPES, SECTIONS, TUBES AND THE LIKE, PREPARED FOR USE IN STRUCTURES, OF IRON OR STEEL
HSN7314CLOTH (INCLUDING ENDLESS BANDS), GRILL, NETTING AND FENCING, OF IRON OR STEEL WIRE, EXPANDED METAL OF IRON OR STEEL
HSN2618GRANULATED SLAG (SLAG SAND) FROM THE MANUFACTURE OF IRON OR STEEL
SAC995428
SAC995429Services involving repair, alterations, additions, replacements, renovation, maintenance or remodeling of the constructions covered above