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What is room and pillar mining?
coal is mined in a series of rooms cut into the coalbed. Pillars of unmined coal are left intact, and serve to support the mine roof, as miners advance through the coal seam.
What is the total percentage of coal?
compared to what. Percentage of coal used to make iron/steel, or percentage of coal shipped overseas, or percentage of coal used to make electricity, or....
What does distribution of coal mean?
It could mean the geological spread of coal seams in the ground. Or it could mean the process of getting the coal from the mines to the consumers.
The US had an abundance of coal and?
The US had an abundance of coal and natural gas. It is estimated that 50% of the electricity generated in the US was from coal through burning fossil fuels.
In coal spec IDT 1260 C?
In coal specs IDT means initial deformation temperature of Ash.
What is wrong with coal miners looking for gold?
they look for coal not gold
What wrong with coal miners looking for gold?
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What is wrong with coal miners looking for gold Math problem?
lkhlkj
Do coal miners mine for coal?
Yes, coal miners mine coal.
Were the miners in Chile coal miners?
No, they are copper miners.
Who find coal?
Coal miners ,, ,
Where can you read about history of coal miners?
You can read about the history of coal miners from Wikipedia's official website. You can also read about the history of coal miners from Mining USA's official website.
Where did Victorian coal miners work?
In coal mines.
When was Coal Miners' Museum - Van Lear - created?
Coal Miners' Museum - Van Lear - was created in 1984.
What do the coal miners do after they mine the coal?
they go home and get layed
What do miners eat?
miners eat bat soup, coal and rock.
What is the health problems for coal miners?
Coal miners that are exposed to coal dust are prone to get what is called black lung disease. The coal duct accumulates in the lungs and makes it difficult to breathe.
