Assertion: engine's piston | /r/CapableOf | compress the mixture
Facets:
value: at the top of the cylinder
type: LOCATION
value: further
type: MANNER
Source sentences:
text: The piston compresses the mixture further and it is then ignited.
text: This is immediately followed by the compression stroke where the piston compresses this mixture at the top of the cylinder where it is ignited by the spark ignition.