 |
| |||
| blind pit; blind shaft; jack shaft; little winds; mill hole; monkey shaft; raise; staple pit; underground shaft; upraise; way shaft | |||
| jack-head pit | |||
| winze | |||
| tunnel-to-tunnel shaft (между двумя горизонтальными выработками на разных горизонтах) | |||
| shank | |||
| слепая шахта: 3 phrases in 1 subject |
| Mining | 3 |