Assertion: watt's steam engine | /r/CapableOf | remain until early 20th century
Facets:
Source sentences:
text: Steam engines remained the dominant source of power until the early 20th century, when advances in the design of the steam turbine, electric motors and internal combustion engines gradually resulted in the replacement of reciprocating (piston) steam engines, with shipping in the 20th-century relying upon the steam turbine.