| ICS | Field |
|---|---|
| 23.020.01 | Fluid storage devices in general |
| 23.020.10 | Stationary containers and tanks |
| 23.020.20 |
Vessels and containers mounted on vehicles Tanker trucks, see 43.080.10 Tank wagons, see 45.060.20 Tankers, see 47.020.85 Small containers for fluids, see 55.140 |
| 23.020.30 |
Pressure vessels Steam pressure vessels, see 27.060.30 Steels for pressure purposes, see 77.140.30 |
| 23.020.35 | Gas cylinders |
| 23.020.40 | Cryogenic vessels |
| 23.020.99 | Other fluid storage devices |