| F03 | Air & gas valves |
| F10 | Other air/gas/pneumatic equipment |
| G05 | Fluid valves & other armatures |
| L01 | Sensors, gauges & detectors |
| L02 | Meters & indicators |
| L08 | Monitoring equipment |
| L13 | Control & automation systems |
| N06 | Anti-pollution equipment |
| N11 | Drilling equipment |