Assertion: steam engine's piston | /r/HasProperty | inside cylinder
Facets:
value: under pressure
type: TEMPORAL
Source sentences:
text: Each piston is inside a cylinder, into which a gas is introduced, either already under pressure (e.g. steam engine), or heated inside the cylinder either by ignition of a fuel air mixture (internal combustion engine) or by contact with a hot heat exchanger in the cylinder (Stirling engine).
text: Inside the cylinder was the piston that could slide up and down and was connected to the beam above.