Assertion: engine's piston | /r/CapableOf | pull an air-fuel mixture
Facets:
value: by producing vacuum pressure
type: MANNER
value: into the cylinder
type: TRANSITIVE-OBJECT
Source sentences:
text: In this stroke the intake valve must be in the open position while the piston pulls an air-fuel mixture into the cylinder by producing vacuum pressure into the cylinder through its downward motion.