HSN8481TAPS, COCKS, VALVES AND SIMILAR APPLIANCES FOR PIPES, BOILER SHELLS, TANKS, VATS OR THE LIKE, INCLUDING PRESSURE-REDUCING VALVES AND THERMOSTATICALLY CONTROLLED VALVES
HSN4016OTHER ARTICLES OF VULCANISED RUBBER OTHER THAN HARD RUBBER
HSN7307TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL
HSN7318SCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL
SAC995422General construction services of harbours, waterways, dams, water mains and lines, irrigation and other waterworks
SAC995423General construction services of long-distance underground/ overland/ submarine pipelines, communication and electric power lines (cables); pumping stations and related works; transformer stations and related works
SAC995428General construction services of other civil engineering works nowhere else classified
SAC998717Maintenance and repair services of commercial and industrial machinery
SAC995429Services involving repair, alterations, additions, replacements, renovation, maintenance or remodeling of the constructions covered above