Assertion: engine's speed | /r/HasProperty | required
Facets:
Source sentences:
text: It was, however, superseded by the British invention steam turbine where speed was required, for instance in warships, such as the dreadnought battleships, and ocean liners.
text: These engines can be used in off-road vehicles but are normally used in on-road sedans where very high RPM and high speed is required.