| 109 | Maintenance systems, instruction material |
| 12 | Quality assurance, general work, models |
| 151 | Machinery testing |
| 3 | Equipment for cargo |
| 35 | Loading/discharging systems for liquid cargo |
| 381 | Sounding, surveil. and operating equipment for cargo systems |
| 40 | Manoeuvring machinery, equipment |
| 411 | Radar plants |
| 442 | Tools/equip. for engineers, electr., boatswains, carpenters |
| 46 | Hunting, fishing equipment |
| 554 | Freezing/refrigerating systems for provisions |
| 6 | Machinery main components |
| 60 | Diesel engines for propulsion |
| 61 | Steam machinery for propulsion |
| 62 | Other types of propulsion machinery |
| 637 | Main reduction gears w/thrust bearings and couplings |
| 638 | Central gears (joint auxiliary gear, not for propulsion) |
| 64 | Boilers, steam, gas generators |
| 65 | Motor aggregates for main electric power production |
| 651 | Motor aggregates |
| 66 | Other aggr., gen. for main, emergency el. power production |
| 7 | Systems for machinery main components |
| 70 | Fuel systems |
| 703 | Fuel oil supply systems |
| 71 | Lube oil systems |
| 72 | Cooling systems |
| 761 | Distilled and make-up water systems |
| 79 | Automation systems for machinery |
| 791 | Manoeuvre consoles, main consoles |
| 792 | Common automation equipment, engine room alarm systems |
| 793 | Autom. equip. for prop. mach. and transmis., eng. telegraph |
| 794 | Automation equipment for boilers |
| 795 | Automation equipment for motor/turbo aggregates |
| 797 | Automation equipment for other machinery components |
| 8 | Ship common systems |
| 803 | Bilge systems |
| 811 | Fire detection, fire and lifeboat alarm systems |
| 815 | Fire fighting systems w/gas (CO2, halon, etc) |
| 85 | Common electric, electronic systems |
| 86 | Electric power supply |
| 865 | Transformers |
| 867 | Rectifiers and converters |
| 87 | Common electric distribution systems |
| 871 | Main switchboards |
| 872 | Emergency switchboards |
| 875 | Distribution panels and boards |
| 89 | Electric consumer systems |
| 898 | Electric motors |