Located at the very coal mines that provided them with fuel,the use of steam engines in eighteenth-century England increased coal production by allowing for mines to be drained of water and permitting extraction of deeper layers of coal.
(A) the use of steam engines in eighteenth-century England increased coal production by allowing for mines to be drained of water and permitting- "steam engines" needed after "fuel,"
(B) steam engines increased coal production in eighteenth-century
...
(A) the use of steam engines in eighteenth-century England increased coal production by allowing for mines to be drained of water and permitting- "steam engines" needed after "fuel,"
(B) steam engines increased coal production in eighteenth-century
...
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