Encyclopedia > Shaft

  Article Content

Shaft

A shaft is either:

  • a hole in the earth typically used for mineral extraction, such as mining. They will normally be vertical, man-made structures.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Bullying

... designated anyone who assumed power for any period of time without a legitimate basis of authority. The first to have the title of "Tyrant" was Pisistratus in 560 BC. ...

 
 
 
This page was created in 24.2 ms