Assertion: steam engine's steam | /r/Desires | thirty seconds
Facets:
value: to develop pressure
type: PURPOSE
Source sentences:
text: Steam engines are less favored for automobiles, which are generally powered by internal combustion engines, because steam requires thirty seconds or so to develop pressure.
text: However steam engines are less favored for automobiles, which are generally powered by internal combustion engines, because steam requires at least thirty seconds (in a flash boiler) or so to develop pressure.