the entrance to a coal mine
- Pithead winding gear
- Pithead construction work
- Pithead winding gear and winches for use underground
- Pithead winding gear, winches for underground use, and capstans
- Coal burned in pithead power stations should be reported in the Transformation Sector.
- Coal burned in pithead power stations should be reported in the transformation sector.
- Quantities used for transformation in patent fuel plants (pithead and independent).