Assertion: steam engine's efficiency | /r/CapableOf | enable mine
Facets:
value: to be sunk without flooding
type: PURPOSE
value: in turn
type: MANNER
Source sentences:
text: The coal mines for which Savery's Miners' Friends were first developed became more and more important as a source of fuel for the rapidly increasing number of steam engines; in turn, the increased efficiencies of the engines enabled the mines to be sunk ever deeper without flooding.