| B02 | Machinery and piping work |
| C07 | Inspections & testing equipment |
| D07 | Insulation |
| G02 | Pumps & pump units |
| G03 | Pipes & pipe units |
| G06 | Purification plants & fluid treatment |
| H05 | Heat exchangers & steam generation |
| H07 | Boilers, burners and incinerators |
| H08 | Evaporators, condensers and receivers |
| L01 | Sensors, gauges & detectors |
| L13 | Control & automation systems |
| M02 | Galley, pantry equipment and whiteware |
| O06 | Fire protection & detection equipment |