The Tanzanian government has once again started mining the lake for soda ash, used for making chemicals, glass and detergents.
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Related: mining, ash
Prev: The engine eliminated water in the mines by driving efficient pumps, which made possible deeper and deeper mining.
Next: By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.
