Assertion: steam engine's steam | /r/AtLocation | the cylinder
Facets:
value: before being expended as exhaust
type: TEMPORAL
Source sentences:
text: This is because it allows the steam to remain in the cylinder for the longest possible amount of time before being expended as exhaust, therefore increasing efficiency.
text: The steam remaining within the cylinder after the exhaust ports are closed is trapped, and this trapped steam is compressed by the returning piston.