It is a small drift mine - a mine cut into the side of a hill, where the coal seam is accessed by walking in.

BBC: Welsh mine rescue: Third Gleision miner found dead

Two more men escaped unaided from the drift mine - a mine cut into the side of a hill where the coal seam is accessed horizontally - before emergency services arrived.

BBC: Trapped miners: Bid to rescue men in Swansea Valley

And could you please cut the crust of mine?

FORBES: The Perils of Posting Scathing Reviews on Yelp and Angie's List

Debswana Diamond Company, a joint venture between the government of Botswana and De Beers, recently launched the Cut-8 expansion project at Jwaneng mine, the largest ever investment in Botswana.

FORBES: De Beers Diamond Sales Up 53 Percent

At the Dalfad mine in Muirkirk, East Ayrshire, 101 jobs have been cut and 89 staff will go at Dunstonhill at Patna in East Ayrshire.

BBC: Open cast mining

Meantime, because universities have cut back on courses in earth sciences, mineral geology and mine engineering, there is a severe shortage of workers.

FORBES: A Career With A Big Future: Mining Engineer

South African President Jacob Zuma has cut short a trip to Mozambique in order to visit the mine, which lies about 100km (62 miles) north-west of Johannesburg.

BBC: South Africa's Lonmin Marikana mine clashes killed 34

After a series of what-would you-do-if questions, replete with game-show invoking bells and whistles, users are matched with an ideal mate avatar and corresponding Tacori engagement ring suggestion (mine was ivy-leaguer Jack Calloway on bended knee with a square-cut diamond solitaire).

FORBES: Tacori, David Yurman Use Facebook To Spread Valentine's Day Love

Louis, closed a mine in Kentucky, idled several others in Kentucky and West Virginia, and has cut 1, 000 jobs.

MSN: Coal producers find themselves in a hard place