402 B
402 B
| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| Engine shaft | 1/1 | https://en.wikipedia.org/wiki/Engine_shaft | reference | science, encyclopedia | 2026-05-05T11:48:02.626844+00:00 | kb-cron |
For mine construction, an engine shaft is a mine shaft used for the purpose of pumping, irrespective of the prime mover.
== See also == Outline of mining Shaft sinking
== References ==