History of Shaft
| Element | Description | Element Code | Essential | Uniclass 2015 | Updates |
|---|---|---|---|---|---|
| Shaft | A deep, narrow, typically vertical hole in the ground, or tube above ground. | SFT | No | EF_37_50 | 05-09-2022 |
| Shaft | A deep, narrow, typically vertical hole in the ground, or tube above ground. | SFT | No | EF_37_50 | 11-04-2023 |