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
HSN3209PAINTS AND VARNISHES (INCLUDING ENAMELS AND LACQUERS) BASED ON SYNTHETIC POLYMERS OR CHEMICALLY MODIFIED NATURAL POLYMERS, DISPERSED OR DISSOLVED IN AN AQUEOUS MEDIUM
HSN7303TUBES, PIPES AND HOLLOW PROFILES, OF CAST IRON
HSN8537BOARDS, PANELS, CONSOLES, DESKS, CABINETS AND OTHER BASES, EQUIPPED WITH TWO OR MORE APPARATUS OF HEADING 8535 OR 8536, FOR ELECTRIC CONTROL OR THE DISTRIBUTION OF ELECTRICITY, INCLUDING THOSE INCORPORATING INSTRUMENTS OR APPARATUS OF CHAPTER 90, AND NUMERICAL CONTROL APPARATUS, OTHER THAN SWITCHING APPARATUS OF HEADING 8517 FOR A VOLTAGE NOT EXCEEDING 1,000 V
SAC440410WORKS CONTRACT SERVICES