| Section C: MANUFACTURING |
| Division 33 : Repair and installation of machinery and equipment |
| Group | Class | Sub-class | Description |
| 331 | | | Repair of fabricated metal products, machinery and equipment |
| | 3311 | | Repair of fabricated metal products |
| | | | This class includes repair and maintenance of fabricated metal products of division 25 |
| | | | This class excludes: |
| | | | - repair of central heating systems etc., see 4322 |
| | | | - locksmith services, see 8020 |
| | | 33112 | Repair and maintenance of pipes and pipelines |
| | | 33113 | Repair and maintenance of metal tanks, reservoirs, containers, steel shipping drums etc. |
| | | 33114 | Repair and maintenance of steam or other vapour generators and auxiliary plant for use with steam generators such as condensers, economizers, superheaters, steam collectors and accumulators |
| | | 33119 | Repair and maintenance of other fabricated metal products |
| | 3312 | | Repair of machinery |
| | | | This class includes repair and maintenance of industrial machinery and equipment like sharpening or installing commercial and industrial machinery blades and saws or the provision of welding (e.g. automotive, general) repair services; the repair of agricultural and other heavy and industrial machinery and equipment (e.g. forklifts and other materials handling equipment, machine tools, commercial refrigeration equipment, construction equipment, and mining machinery), comprising machinery and equipment of division 28 |
| | | | This class excludes: |
| | | | - installation of furnaces and other heating equipment, see 4322 |
| | | 33121 | Repair and maintenance of engines and turbines excluding aircraft, vehicle and cycle engines |
| | | 33122 | Repair and maintenance of pumps and related equipment, fluid power equipment, valves |
| | | 33123 | Repair and maintenance of metal cutting and metal forming machine tools and accessories, power-driven hand-tools and other machine tools |
| | | 33124 | Repair and maintenance of agricultural machinery and forestry and logging machinery including agricultural tractors |
| | | 33125 | Repair and maintenance of mining, construction, and oil and gas field machinery; metallurgy machinery |
| | | 33126 | Repair and maintenance of food, beverage, and tobacco processing machinery |
| | | 33127 | Repair and maintenance of textile apparel, leather production machinery and papermaking machinery |
| | | 33129 | Repair and maintenance of other special purpose machinery of division 28 (weighing equipment, vending machines, cash registers, photocopy machines, calculators, typewriters etc.) |
| | 3313 | | Repair of electronic and optical equipment |
| | | | This class includes repair and maintenance of goods produced in groups 265, 266 and 267, except those that are considered household goods. |
| | | | This class excludes: |
| | | | - repair of photocopy machines, see 3312 |
| | | | - repair and maintenance of computers and peripheral equipment, see 9511 |
| | | | - repair of computer projectors, see 9511 |
| | | | - repair and maintenance of communication equipment, see 9512 |
| | | | - repair of commercial TV and video cameras, see 9512 |
| | | | - repair of household-type video cameras, see 9521 |
| | | | - repair of watches and clocks, see 9529 |
| | | 33131 | Repair and maintenance of measuring, testing, navigating and control equipment of group 265 |
| | | 33132 | Repair and maintenance of irradiation, electromedical and electro theraputic equipmemts of class 2660 |
| | | 33133 | Repair and maintenance of optical instruments and equipment of class 2670 |
| | 3314 | | Repair of electrical equipment |
| | | | This class includes the repair and maintenance of goods of division 27, except those in class 2750 (domestic appliances) |
| | | | This class excludes: |
| | | | - repair and maintenance of computers and peripheral computer equipment, D43see 9511 |
| | | | - repair and maintenance of telecommunications equipment, see 9512 |
| | | | - repair and maintenance of consumer electronics, see 9521 |
| | | | - repair of watches and clocks, see 9529 |
| | | 33140 | Repair of electrical equipment |
| | 3315 | | Repair of transport equipment, except motor vehicles |
| | | | This class includes the repair and maintenance of transport equipment of division 30, except motorcycles and bicycles. However, the factory rebuilding or overhaul of ships, locomotives, railroad cars and aircraft is classified in division 30 |
| | | | This class excludes: |
| | | | - factory rebuilding of ships, see 3010 |
| | | | - factory rebuilding of locomotives and railroad cars, see 3020 |
| | | | - factory rebuilding of aircraft, see 3030 |
| | | | - ship scaling, dismantling, see 3830 |
| | | | - repair and maintenance of motorcycles, see 4540 |
| | | | - repair of bicycles, see 9529 |
| | | 33150 | Repair of transport equipment, except motor vehicles |
| | 3319 | | Repair of other equipment |
| | | | This class includes the repair and maintenance of equipment not covered in other groups of this division such as repair of fishing nets including mending, ropes, riggings, canvas and tarps, fertilizer and chemical storage bags reconditioning of wooden pallets, shipping drums or barrels, and similar items, repair of coin-operated games, organs and other musical instruments etc. |
| | | | This class excludes: |
| | | | - repair of household and office type furniture, furniture restoration, see 9524 |
| | | | - repair of bicycles, see 9529 |
| | | | - repair and alteration of clothing, see 9529 |
| | | 33190 | Repair of other equipment |
| 332 | | | Installation of industrial machinery and equipment |
| | 3320 | | Installation of industrial machinery and equipment |
| | | | This class includes the specialized installation of machinery. However, the installation of equipment that forms an integral part of buildings or similar structures, such as installation of escalators, electrical wiring, burglar alarm systems or air-conditioning systems, is classified as construction. |
| | | 33200 | Installation of industrial machinery and equipment |