6
Metal pipes; tubes; metal couplings; wellpoints; parts and fittings for all the aforesaid goods
7
Pumps and pumping apparatus (including hydraulic, diaphragm, centripetal, centrifugal and axial pumps and pumping apparatus); marine pumps, diesel/hydraulic power units and motors for use with pumps and pumping apparatus; pumpsets; winches; jacks; pile driving machines; parts, fittings and accessories for all the aforesaid goods
11
Installations and apparatus, all for heating, drying, cooling, air-conditioning, air-blowing, humidifying, dehumidifying, ventilating and refrigerating; fans; heat pumps; burners; direct heaters; hot air blowers; parts, fittings and accessories for the aforesaid goods
17
Pipes included in class 17; tubes; couplings; packing materials; parts and fittings for all the aforesaid goods
37
Civil engineering services; rental and leasing of building and construction machinery, equipment and plant; rental and leasing of cleaning and clearing instruments and parts and fittings therefor; installation, maintenance and repair of cleaning, heating, drying, cooling, air-conditioning, humidifying, dehumidifying, ventilating, refrigerating and water heating apparatus and instruments and parts and fittings therefor; fluid pumping services; rental and repair of pumps; dredging; rental of pumps for drainage purposes; spillage clearance; silt clearance; advisory services relating to the installation, use and repair of pumps; advisory services relating to cleaning and clearing
40
Rental and leasing of humidifying, dehumidifying, cooling, heating, refrigerating, drying, air-conditioning, ventilating, air-blowing and water heating/cooling apparatus and instruments; parts, fittings and accessories therefor; re-manufacture/ re-conditioning of refrigerating, heating, cooling, ventilating, air-blowing and air-conditioning apparatus and instruments and parts and fittings therefor
42
Advisory services relating to civil engineering; project preparation relating to civil engineering, pumping and dredging