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Why are there always two shafts in a coal mine?
safety
What was the relationship between the steam engine and the coal mine?
The steam engine needs coal, the coal comes from the coal mine
Why were elevators used in coal mine shafts in the 19th century?
from what I hear, they still use elevators. Know of a guy who repairs conveyor systems and has had to go down elevators (sometimes it takes an hour) to get underground! This is in 2009!
Why does a larger mine need more ventilation shafts?
it goes deeper into the earth and gets hotter.
What major problem in the coal mining industry did Thomas Newcomen's steam engine help solve?
pumping water out of shafts -----> NovaNET answer Creating new tools. It operated pumps to control flooding of the mines.
How ma ny shafts does a Coal Mine have?
There is 2 shafts in a coal mine.
Why are there always two shafts in a coal mine?
safety
What are the revenue generators for coal mining services?
The most significant revenue source in the coal mining services industry is strip mining, followed by stripping overburden, sinking mine shafts, driving mine tunnels and drilling and blasting
What was the colliery disaster?
The Felling mine disaster occurred when firedamp ignited and the resulting coal dust explosion sent a devastating blast throughout the mine and up its two mine shafts, the John pit and the William pit, named after the Brandling brothers who owned the colliery.
How were the sheltland pony used in the 30s?
Shetland ponies were used in the coal mines to pull the coal carts out of the mine shafts. There small size and pulling power made the miner's work much easier.
What has the author D L Boreck written?
D. L. Boreck has written: 'Colorado coal reserves depletion data and coal mine summaries' -- subject(s): Coal, Coal mines and mining 'Effects of remote drop and pumpdown placement on cellular concrete' -- subject(s): Concrete, Mine shafts, Sealing (Technology), Testing
Where is coal dug?
Coal is primarily dug from underground mines. These mines are typically located in coal-rich regions and are accessed by tunnels and shafts. Surface mining methods, such as strip mining or mountaintop removal, may also be used in areas where the coal seam is close to the surface.
Do coal miners mine for coal?
Yes, coal miners mine coal.
Why was the coal mine built?
to mine coal...
What were pit ponies used for in the mines?
pit ponies were used to transport coal through the mine shafts they were usually treated cruelly and spent almost all their lives underground
When is coal mine used?
How did they used to coal mine
How many shafts do coal mines have?
mines have one shaft
