up-over

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]

Noun

[edit]

up-over (uncountable)

  1. (mining, civil engineering, attributive) A method of shaft excavation by drifting to a point below, and then raising instead of sinking.

Anagrams

[edit]
Retrieved from "https://en.wiktionary.org/w/index.php?title=up-over&oldid=77972239"